Ellis, H. (1921). Sudies in the psychology of sex: [complete in six volumes] / by Havelock Ellis. Davis.
Chicago-referens (17:e uppl.)Ellis, Havelock. Sudies in the Psychology of Sex: [complete in Six Volumes] / by Havelock Ellis. Philadelphia: Davis, 1921.
MLA-referens (8:e uppl.)Ellis, Havelock. Sudies in the Psychology of Sex: [complete in Six Volumes] / by Havelock Ellis. Davis, 1921.
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