Saniel, O. P. (1996). Prevalence of HIV and correlates of condom use among commercial sex workers in Metro Manila, Philippines. UMI Dissertation Services.
Chicago-referens (17:e uppl.)Saniel, Ofelia Pardo. Prevalence of HIV and Correlates of Condom Use Among Commercial Sex Workers in Metro Manila, Philippines. Ann Arbor, Mich: UMI Dissertation Services, 1996.
MLA-referens (9:e uppl.)Saniel, Ofelia Pardo. Prevalence of HIV and Correlates of Condom Use Among Commercial Sex Workers in Metro Manila, Philippines. UMI Dissertation Services, 1996.
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