Telephoning in English.

MLA

Naterop, B. Jean, and Rod Revell. Telephoning In English. 3rd ed., 6th printing 2010 Cambridge: University Press, 2004.

APA

Naterop, B. Jean, & Revell, R. (2004). Telephoning in English. 3rd ed., 6th printing 2010 Cambridge: University Press.

Chicago

Naterop, B. Jean, and Rod Revell. Telephoning In English. 3rd ed., 6th printing 2010 Cambridge: University Press, 2004.