APA (7e ed.) Bronvermelding

Sobel, B. (1950). The theatre handbook and digest of plays (7th printing--Rev. ed.). Crown Publishers.

Chicago (17e ed.) Bronvermelding

Sobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. New York: Crown Publishers, 1950.

MLA (8e ed.) Bronvermelding

Sobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. Crown Publishers, 1950.