APA aipamena

(2003). American Headway 3: Student book. Oxford: Oxford University Press.

Chicago Style aipamena

American Headway 3: Student Book. Oxford: Oxford University Press, 2003.

MLA aipamena

American Headway 3: Student Book. Oxford: Oxford University Press, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.