APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.