Cita APA (7th ed.)

Richards, J. C. (2006). Person to person: Communicative speaking and listening skills (3rd ed.). Oxford.

Cita Chicago (17th ed.)

Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. New York: Oxford, 2006.

Cita MLA (8th ed.)

Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. Oxford, 2006.