Dyfyniad APA

O'Gorman, H. (2011). The keys to acting (Second edition.). Kendall/Hunt.

Dyfyniad Arddull Chicago

O'Gorman, Hugh. The Keys to Acting. Second edition. Dubuque: Kendall/Hunt, 2011.

Dyfyniad MLA

O'Gorman, Hugh. The Keys to Acting. Second edition. Kendall/Hunt, 2011.

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