Dyfyniad APA

Naterop,, J. B., & Revell,, R. Telephoning in English- Audio CD 1. Cambridge University Press.

Dyfyniad Arddull Chicago

Naterop,, Jean B., and Rod Revell. Telephoning in English- Audio CD 1. New York: Cambridge University Press.

Dyfyniad MLA

Naterop,, Jean B., and Rod Revell. Telephoning in English- Audio CD 1. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.