Richards, J. C., Bycina, D., & Wisniewska, I. (2005). Person to person: Communicative speaking and listening skills. Student books 1 (3a. ed.). Oxford University Press.
Chicago-referens (17:e uppl.)Richards, Jack C., David Bycina, och Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills. Student Books 1. 3a. ed. Nueva York: Oxford University Press, 2005.
MLA-referens (9:e uppl.)Richards, Jack C., et al. Person to Person: Communicative Speaking and Listening Skills. Student Books 1. 3a. ed. Oxford University Press, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.