APA aipamena

Radley, P. (2005). Horizons (student's book 1): Có sách. Oxford: Oxford University Press.

Chicago Style aipamena

Radley, Paul. Horizons (student's Book 1): Có Sách. Oxford: Oxford University Press, 2005.

MLA aipamena

Radley, Paul. Horizons (student's Book 1): Có Sách. Oxford: Oxford University Press, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.