APA aipamena

Harrison, M. (2002). New proficiency test builder. Oxford: MacMillan.

Chicago Style aipamena

Harrison, Mark. New Proficiency Test Builder. Oxford: MacMillan, 2002.

MLA aipamena

Harrison, Mark. New Proficiency Test Builder. Oxford: MacMillan, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.