Dyfyniad APA

Shaw, B., & Laurence, D. H. (2000). Plays unpleasant. Penguin Books.

Dyfyniad Arddull Chicago

Shaw, Bernard, and Dan H. Laurence. Plays Unpleasant. London ; New York: Penguin Books, 2000.

Dyfyniad MLA

Shaw, Bernard, and Dan H. Laurence. Plays Unpleasant. Penguin Books, 2000.

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