Magee, B. (1966). On the twenty: A study of homosexuality in men and women / Bryan Magee (1. Auflage.). Secker & Warburg.
Lua i Stíl Chicago (17ú heag.)Magee, Bryan. On the Twenty: A Study of Homosexuality in Men and Women / Bryan Magee. 1. Auflage. London: Secker & Warburg, 1966.
Lua MLA (8ú heag.)Magee, Bryan. On the Twenty: A Study of Homosexuality in Men and Women / Bryan Magee. 1. Auflage. Secker & Warburg, 1966.
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