APA (7th ed.) Zitazioa

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 (17th ed.) Zitazioa

Richards, Jack C., David Bycina, Ingrid Wisniewska, eta Genevieve Kocienda. Person to Person Communicative Speaking and Listening Skills. Teacherïs Book 1. 3a. ed. Nueva York: Oxford University Press, 2006.

MLA (9th ed.) Zitazioa

Richards, Jack C., et al. Person to Person Communicative Speaking and Listening Skills. Teacherïs Book 1. 3a. ed. Oxford University Press, 2006.