APA aipamena

Wallwork, A. (2001). International express: Upper- Intermediate. Oxford: Oxford University Press.

Chicago Style aipamena

Wallwork, Adrian. International Express: Upper- Intermediate. Oxford: Oxford University Press, 2001.

MLA aipamena

Wallwork, Adrian. International Express: Upper- Intermediate. Oxford: Oxford University Press, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.