Dyfyniad APA

Cosgrove, A. (2009). Premium (Workbook with key). Harlow: Pearson Longman.

Dyfyniad Arddull Chicago

Cosgrove, Anthony. Premium (Workbook With Key). Harlow: Pearson Longman, 2009.

Dyfyniad MLA

Cosgrove, Anthony. Premium (Workbook With Key). Harlow: Pearson Longman, 2009.

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