APA-viite

Wigersma, L., & Oud, R. (1987). Safety and acceptability of condoms for use by homosexual men as a prophylactic against transmission of HIV during anogenital sexual intercourse.

Chicago-tyylinen lähdeviittaus

Wigersma, L., ja R. Oud. Safety and Acceptability of Condoms for Use By Homosexual Men As a Prophylactic against Transmission of HIV During Anogenital Sexual Intercourse. 1987.

MLA-viite

Wigersma, L., ja R. Oud. Safety and Acceptability of Condoms for Use By Homosexual Men As a Prophylactic against Transmission of HIV During Anogenital Sexual Intercourse. 1987.

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