Dyfyniad APA

Naterop,, J. B., & Revell,, R. Telephoning in English- Audio CD 2 (3.). Cambridge University Press.

Dyfyniad Arddull Chicago

Naterop,, Jean B., and Rod Revell. Telephoning in English- Audio CD 2. 3. New York: Cambridge University Press.

Dyfyniad MLA

Naterop,, Jean B., and Rod Revell. Telephoning in English- Audio CD 2. 3. Cambridge University Press.

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