APA aipamena

Gude, K. (2002). Proficiency masterclass. Oxford: Oxford University Press.

Chicago Style aipamena

Gude, Kathy. Proficiency Masterclass. Oxford: Oxford University Press, 2002.

MLA aipamena

Gude, Kathy. Proficiency Masterclass. Oxford: Oxford University Press, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.