Richards, J. C., & London, A. (2006). Person to Person: Communicative speaking and listening skills : Starter (3rd ed.). Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoRichards, Jack C., và Andy London. Person to Person: Communicative Speaking and Listening Skills : Starter. 3rd ed. Oxford: Oxford Univ. Press, 2006.
Dyfyniad MLARichards, Jack C., và Andy London. Person to Person: Communicative Speaking and Listening Skills : Starter. 3rd ed. Oxford: Oxford Univ. Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.