Ellis, H., & Ellis, H. (1937). Studies in the psychology of sex: By Ellis Havelock. Random.
Lua i Stíl Chicago (17ú heag.)Ellis, Havelock, agus Havelock Ellis. Studies in the Psychology of Sex: By Ellis Havelock. New York: Random, 1937.
Lua MLA (8ú heag.)Ellis, Havelock, agus Havelock Ellis. Studies in the Psychology of Sex: By Ellis Havelock. Random, 1937.
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