APA aipamena

Smith, D. G. (2007). English for telephoning. New York: Oxford University Press.

Chicago Style aipamena

Smith, David Gordon. English for Telephoning. New York: Oxford University Press, 2007.

MLA aipamena

Smith, David Gordon. English for Telephoning. New York: Oxford University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.