Dyfyniad APA

Creme, P., & Lea, M. R. (2008). Writing at university: A guide for students (3rd ed.). Open University Press.

Dyfyniad Arddull Chicago

Creme, Phyllis, and Mary R. Lea. Writing at University: A Guide for Students. 3rd ed. Berkshire: Open University Press, 2008.

Dyfyniad MLA

Creme, Phyllis, and Mary R. Lea. Writing at University: A Guide for Students. 3rd ed. Open University Press, 2008.

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