Holroyd, M. (1990). Bernard Shaw (1st Vintage Books ed.). Vintage Books.
Lua i Stíl Chicago (17ú heag.)Holroyd, Michael. Bernard Shaw. 1st Vintage Books ed. New York: Vintage Books, 1990.
Lua MLA (9ú heag.)Holroyd, Michael. Bernard Shaw. 1st Vintage Books ed. Vintage Books, 1990.
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