Citazione APA

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

Stile di citazione Chicago

Naterop, B. Jean, e Rod Revell. Telephoning in English. 3rd ed. Cambridge, UK ; New York: Cambridge University Press, 2004.

Citazione MLA

Naterop, B. Jean, e Rod Revell. Telephoning in English. 3rd ed. Cambridge University Press, 2004.