APA استشهاد

Naterop,, B. J., & Revell,, R. (2004). Telephoning in English (3.). Cambridge University Press.

استشهاد بنمط شيكاغو

Naterop,, B. Jean, و Rod Revell. Telephoning in English. 3. New Delhi: Cambridge University Press, 2004.

MLA استشهاد

Naterop,, B. Jean, و Rod Revell. Telephoning in English. 3. Cambridge University Press, 2004.