Dyfyniad APA

Harrison, M. (1996). First certificate practice tests. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Harrison, Mark. First Certificate Practice Tests. Oxford: Oxford University Press, 1996.

Dyfyniad MLA

Harrison, Mark. First Certificate Practice Tests. Oxford: Oxford University Press, 1996.

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