Wit, J. B. F. d. (1994). Prevention of HIV infection among homosexual men: Behavior change and behavioral determinants / door John Bertha Franciscus de Wit. Thesis.
Chicago-referens (17:e uppl.)Wit, John Bertha Franciscus de. Prevention of HIV Infection Among Homosexual Men: Behavior Change and Behavioral Determinants / Door John Bertha Franciscus De Wit. Amsterdam: Thesis, 1994.
MLA-referens (8:e uppl.)Wit, John Bertha Franciscus de. Prevention of HIV Infection Among Homosexual Men: Behavior Change and Behavioral Determinants / Door John Bertha Franciscus De Wit. Thesis, 1994.
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