O'Gorman, H. (2011). The keys to acting (Second edition.). Kendall/Hunt.
Cita Chicago (17th ed.)O'Gorman, Hugh. The Keys to Acting. Second edition. Dubuque: Kendall/Hunt, 2011.
Cita MLA (9th ed.)O'Gorman, Hugh. The Keys to Acting. Second edition. Kendall/Hunt, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.