Wildman, J. (2004). Attain: Upper - Intermediate. Oxford: Oxford University Press.
Chicago Style aipamenaWildman, Jayne. Attain: Upper - Intermediate. Oxford: Oxford University Press, 2004.
MLA aipamenaWildman, Jayne. Attain: Upper - Intermediate. Oxford: Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.