APA aipamena

Gude , K. (2008). CAE Result Student's Book. New York Oxfork uiniversity fress.

Chicago Style aipamena

Gude , Kathy. CAE Result Student's Book. New York Oxfork uiniversity fress, 2008.

MLA aipamena

Gude , Kathy. CAE Result Student's Book. New York Oxfork uiniversity fress, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.