Dyfyniad APA

Osmond, A. (2016). Academic writing and grammar for students (2nd edition.). Sage.

Dyfyniad Arddull Chicago

Osmond, Alex. Academic Writing and Grammar for Students. 2nd edition. Los Angeles: Sage, 2016.

Dyfyniad MLA

Osmond, Alex. Academic Writing and Grammar for Students. 2nd edition. Sage, 2016.

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