Sobel, B. (1950). The theatre handbook and digest of plays (7th printing--Rev. ed.). Crown Publishers.
Chicago Style (17. basım) AtıfSobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. New York: Crown Publishers, 1950.
MLA (8th ed.) AtıfSobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. Crown Publishers, 1950.
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