APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Watts, R. J., Ide, S., & Ehlich, K. (2005). Politeness in language: Studies in its history, theory, and practice (2nd rev. and expanded ed.). Mouton de Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Richard J. Watts, Sachiko Ide, और Konrad Ehlich. Politeness in Language: Studies in Its History, Theory, and Practice. 2nd rev. and expanded ed. New York: Mouton de Gruyter, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Politeness in Language: Studies in Its History, Theory, and Practice. 2nd rev. and expanded ed. Mouton de Gruyter, 2005.
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