Parker, W. (1971). Homosexuality: A selective bibliography of over 3000 items / by William Parker. Scarecrow.
Chicago-referens (17:e uppl.)Parker, William. Homosexuality: A Selective Bibliography of over 3000 Items / by William Parker. Metuchen, NJ: Scarecrow, 1971.
MLA-referens (8:e uppl.)Parker, William. Homosexuality: A Selective Bibliography of over 3000 Items / by William Parker. Scarecrow, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.