Dyfyniad APA

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

Dyfyniad Arddull Chicago

Naterop, B. Jean. Telephoning in English. 3rd ed. Cambridge: Cambridge University Press, 2004.

Dyfyniad MLA

Naterop, B. Jean. Telephoning in English. 3rd ed. Cambridge: Cambridge University Press, 2004.

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