Duerr, E. (1962). The lenght and depth of acting. Holt.
Lua i Stíl Chicago (17ú heag.)Duerr, Edwin. The Lenght and Depth of Acting. New York: Holt, 1962.
Lua MLA (9ú heag.)Duerr, Edwin. The Lenght and Depth of Acting. Holt, 1962.
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