APA aipamena

Capel, A. (2005). Objective KET: Student's book. Cambridge: Cambridge University Press.

Chicago Style aipamena

Capel, Annette. Objective KET: Student's Book. Cambridge: Cambridge University Press, 2005.

MLA aipamena

Capel, Annette. Objective KET: Student's Book. Cambridge: Cambridge University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.