Richards, J. C., & London, A. (2006). Person to Person: Communicative speaking and listening skills : Starter (3rd ed.). Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوRichards, Jack C., و Andy London. Person to Person: Communicative Speaking and Listening Skills : Starter. 3rd ed. Oxford: Oxford Univ. Press, 2006.
MLA استشهادRichards, Jack C., و Andy London. Person to Person: Communicative Speaking and Listening Skills : Starter. 3rd ed. Oxford: Oxford Univ. Press, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.