ebrary, Inc, Demastes, W. W., & Kelly, K. E. (1996). British playwrights, 1880-1956: A research and production sourcebook. Greenwood Press.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, William W. Demastes, i Katherine E. Kelly. British Playwrights, 1880-1956: A Research and Production Sourcebook. Westport, Conn.: Greenwood Press, 1996.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. British Playwrights, 1880-1956: A Research and Production Sourcebook. Greenwood Press, 1996.
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