Nicoll, A. (1968). English drama: A modern viewpoint. Harrap.
Lua i Stíl Chicago (17ú heag.)Nicoll, Allardyce. English Drama: A Modern Viewpoint. London: Harrap, 1968.
Lua MLA (9ú heag.)Nicoll, Allardyce. English Drama: A Modern Viewpoint. Harrap, 1968.
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