Richards, J. C., Bycina, D., Wisniewska, I., & Kocienda, G. (2006). Person to person communicative speaking and listening skills. Teacherïs book 1 (3a. ed.). Oxford University Press.
Chicago Style (17. basım) AtıfRichards, Jack C., David Bycina, Ingrid Wisniewska, ve Genevieve Kocienda. Person to Person Communicative Speaking and Listening Skills. Teacherïs Book 1. 3a. ed. Nueva York: Oxford University Press, 2006.
MLA (9th ed.) AtıfRichards, Jack C., et al. Person to Person Communicative Speaking and Listening Skills. Teacherïs Book 1. 3a. ed. Oxford University Press, 2006.
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