APA ציטוט

Gude, K., & Duckworth, M. (2002). Matrix: Per - Intermediate Student's book. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Gude, Kathy, và Michael Duckworth. Matrix: Per - Intermediate Student's Book. Oxford: Oxford Univ. Press, 2002.

ציטוט MLA

Gude, Kathy, và Michael Duckworth. Matrix: Per - Intermediate Student's Book. Oxford: Oxford Univ. Press, 2002.