APA aipamena

Campbell, C., Duckworth, M., & Gude, K. (2002). Matrix: Pre - Intermediate Teacher's book. Oxford: Oxford Univ. Press.

Chicago Style aipamena

Campbell, Colin, Michael Duckworth, và Kathy Gude. Matrix: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.

MLA aipamena

Campbell, Colin, Michael Duckworth, và Kathy Gude. Matrix: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.