Richards, J. C., Bycina, D., & Wisniewska, I. (2005). Person to Person: Communicative speaking and listening skills : student book 2 (3rd ed.). Oxford: Oxford Univ. Press.
Παραπομπή Chicago StyleRichards, Jack C., David Bycina, και Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills : Student Book 2. 3rd ed. Oxford: Oxford Univ. Press, 2005.
Παραπομπή MLARichards, Jack C., David Bycina, και Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills : Student Book 2. 3rd ed. Oxford: Oxford Univ. Press, 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.