O'Gorman, H. (2007). The 113 keys to acting. Kendall/Hunt.
Dyfyniad Arddull ChicagoO'Gorman, Hugh. The 113 Keys to Acting. Dubuque: Kendall/Hunt, 2007.
Dyfyniad MLAO'Gorman, Hugh. The 113 Keys to Acting. Kendall/Hunt, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.