Dyfyniad APA

Gude, K., Duckworth, M., & Halliwell, H. (2007). Top score: Student's book 3. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Gude, Kathy, Michael Duckworth, và Helen Halliwell. Top Score: Student's Book 3. Oxford: Oxford University Press, 2007.

Dyfyniad MLA

Gude, Kathy, Michael Duckworth, và Helen Halliwell. Top Score: Student's Book 3. Oxford: Oxford University Press, 2007.

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