O'Gorman, H. (2011). The keys to acting (Second edition.). Kendall/Hunt.
Chicago-viite (17. p.)O'Gorman, Hugh. The Keys to Acting. Second edition. Dubuque: Kendall/Hunt, 2011.
MLA-viite (9. p.)O'Gorman, Hugh. The Keys to Acting. Second edition. Kendall/Hunt, 2011.
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