Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.