Tohutoro APA (7th ed.)

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.

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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