Naterop, B. J. (2004). Telephoning in English (3rd ed.). Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoNaterop, B. Jean. Telephoning in English. 3rd ed. Cambridge: Cambridge University Press, 2004.
MLA引文Naterop, B. Jean. Telephoning in English. 3rd ed. Cambridge: Cambridge University Press, 2004.
警告：这些引文格式不一定是100％准确.