APA aipamena

Wallwork, A. (2006). International express: Upper-Intermediate. New York: Oxford University Press.

Chicago Style aipamena

Wallwork, Adrian. International Express: Upper-Intermediate. New York: Oxford University Press, 2006.

MLA aipamena

Wallwork, Adrian. International Express: Upper-Intermediate. New York: Oxford University Press, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.