APA aipamena

Paul Radley. (2005). Horizons(student's book 2). Oxford: Oxford University Press.

Chicago Style aipamena

Paul Radley. Horizons(student's Book 2). Oxford: Oxford University Press, 2005.

MLA aipamena

Paul Radley. Horizons(student's Book 2). Oxford: Oxford University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.