Akindele, F., & Adegbite, W. (1999). The sociology and politics of English in Nigeria. Ile-Ife: Obafemi Awolowo University Press.##
Allen, K., & Burridge, K. (2006). Forbidden words: Taboo and the censoring of language. Cambridge: Cambridge University Press.##
Arlato, A. (1972). Introduction to historical linguistics. Houghton: Mifflin.##
Asefi, N. (2015). Bilinguals' reaction to taboos: A case study on Persian speaking Azari natives. International Journal of English Language Literature and Humanities, 3, 1-12.##
Ayçiçegi, A. & Harris, C. L. (2004). Bilinguals' recall and recognition of emotion words. Cognition and Emotion, 18, 977–987.##
Coates, J. (1986). Women, men and language. Harlow, Essex: Longman.##
Dewaele, J. M. (2004). The emotional force of swearwords and taboo words in the speech of multilinguals. Journal of Multilingual and Multicultural Development, 25, 204-222.##
Dewaele, J. M. (2010). Emotions in multiple languages. Houndmills: Palgrave McMillan.##
Gao, Ch. (2013). A sociolinguistic study of English taboo language. Theory and Practice in Language Studies, 3(12), 2310-2314.##
Hadian, B., & Yoosefi, Sh. (2015). The effect of gender on speaking and use of taboos. Theory and Practice in Language Studies, 8(6), 623-628.##
Horan, G. (2011). What does the Schimpfworuter tell us about the role of swearing in modern German? German as a Foreign Language, 1, 14-39.##
Horan, G. (2013). You taught me language; and I know how to curse: Cursing and swearing in foreign language learning. Language and Intercultural Communication, 13(3), 283-297.##
Humphries, L. A. (1999). The way of the heavenly sword. California: Stanford University Press.##
Jay, T. (1992). Cursing in America: A pschycolinguistic study of dirty language in the courts, in the movies, in the schoolyard, and on the streets. Amsterdam: John Benjamins.##
Jay, T. (1999). Why we curse. Philadelphia: John Benjamins.##
Lakoff, R. (1975). Language and woman's place. New York: Harper and Row.##
Mercury, R. E. (1995). Swearing: A bad part of language; a good part of language learning. TESL Canada Journal, 13(1), 28-36.##
Mugford, G. (2008). How rude! Teaching impoliteness in the second-language classroom. ELT Journal, 62(4), 375-384.##
Qanbar, N. (2011). A sociolinguistic study of the linguistic taboos in the Yemeni society. Modern Journal of Applied Linguistics, 3(2), 86-104.##
Samadi, Z. (2014). Macro and micro contextual taboo words in Iranian pre and post revolution movies. Unpublished master's thesis, University of Malaya, Kualalumper.##
Seifried, B. (2006). Taboo: Cultural phenomenon headed for extinction? Unpublished M.A. thesis, Georgia State University, Sociolinguistics.##
Trudgill, P. (1972). Sex, covert prestige, and linguistic change in the urban British English of Norwich. Language in Society, 1, 79-95.##
Trudgill, P. (1983). Sociolinguistics: An introduction to language and society. England: Penguin Books.##
Van Oudenhoven, J. P., de Raad, B., Askevis-Leherpeux, F., Boski, P., Brunborg, G. S., Carmona, C., Barelds, D., Hill, Ch. T., Mlačić, B., & Motti, F. (2008). Terms of abuse as expression and reinforcement of cultures. International Journal of Intercultural Relations, 32, 74-85.##
Wardhaugh, R. (1986). An introduction to sociolinguistics. New York: McGraw Hill.##
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