Bergman, M. L., & Kasper, G. (1993). Perception and performance in native and nonnative apology. Interlanguage pragmatics, 4(1), 82-107.
Blum-Kulka, S. (1982). Learning to Say What You Mean in a Second Language: A Study of the Speech Act Performance of Learners of Hebrew as a Second Language.
Applied linguistics,
3(1), 29-59.
https://doi.org/10.1093/applin/III.1.29
Blum-Kulka, S., & Olshtain, E. (1984). Requests and apologies: A cross-cultural study of speech act realization patterns (CCSARP).
Applied linguistics,
5(3), 196-213.
https://doi.org/10.1093/applin/5.3.196
Fraser, B. (1981). On apologizing. In F. Coulmas (Ed.), Conversational Routine: Explorations in Standardized Communication Situations and Prepattenered Speech (pp. 259–271). Mouton, The Hague,.
Heiat, J. (2001). Seiri Dar Tarix-e Zaban Va Lahjeha-ye Torki (A survey of the History of Turkic languages and dialects). Nashr-e Peykan.
Holmes, J. (1989). Sex differences and apologies: One aspect of communicative competence. Applied linguistics, 10(2), 194-213.
Kasper, G., House, J., & Blum-Kulka, S. (1989). Cross-cultural Pragmatics: Requests and Apologies. Ablex Publishing Corporation.
Márquez Reiter, R. (2000). Linguistic politeness in Britain and Uruguay. Linguistic Politeness in Britain and Uruguay, 1-243.
Nureddeen, F. A. (2008). Cross cultural pragmatics: Apology strategies in Sudanese Arabic. Journal of pragmatics, 40(2), 279-306.
Olshtain, E., & Blum-Kulka, S. (1983). Cross-linguistic speech act studies: Theoretical and empirical issues. Languages across cultures, 235-248.
Olshtain, E., & Cohen, A. (1983). Apology: A speech act set. Sociolinguistics and language acquisition, 18, 35.
Shahrokhi, M., & Jan, J. M. (2012). The realization of apology strategies among Persian males. Procedia-Social and Behavioral Sciences, 46, 692-700.
Tabatabaei, S., Gencer, G., Eldem, E., & Bakhtiarvand, M. (2018). A comparative analysis of apology strategy between Turkish EFL learners and native speakers of English. Applied Linguisics Research Journal, 2(3), 48-57.
https://www.semanticscholar.org/paper/A-Comparative-Analysis-of-Apology-Strategy-between-Tabatabaei-Gencer/7504bbe3f335bd7615f25697 a24cef093d237952