APA aipamena

McCarthy, M. (2005). Touchstone: Level 1. New York, N.Y: Cambridge University Press.

Chicago Style aipamena

McCarthy, Michael. Touchstone: Level 1. New York, N.Y: Cambridge University Press, 2005.

MLA aipamena

McCarthy, Michael. Touchstone: Level 1. New York, N.Y: Cambridge University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.