Richards, J. C., Bycina, D., & Wisniewska, I. (2005). Person to Person: Communicative speaking and listening skills : student book 1 (3rd ed.). Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوRichards, Jack C., David Bycina, و Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills : Student Book 1. 3rd ed. Oxford: Oxford Univ. Press, 2005.
MLA استشهادRichards, Jack C., David Bycina, و Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills : Student Book 1. 3rd ed. Oxford: Oxford Univ. Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.