Dyfyniad APA

Lambert, N. (2002). English upgrade: Teacher resource. Oxford: MacMillan.

Dyfyniad Arddull Chicago

Lambert, Nicholas. English Upgrade: Teacher Resource. Oxford: MacMillan, 2002.

Dyfyniad MLA

Lambert, Nicholas. English Upgrade: Teacher Resource. Oxford: MacMillan, 2002.

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