Štulhofer, A., Baćak, V., Božičević, I., & Begovac, J. (2007). HIV-related Sexual Risk Taking Among HIV-negative Men Who Have Sex with Men in Zagreb, Croatia. AIDS and Behavior, 12, 505. https://doi.org/10.1007/s10461-007-9327-3
Παραπομπή σε μορφή Chicago (17η εκδ.)Štulhofer, Aleksandar, Valerio Baćak, Ivana Božičević, και Josip Begovac. "HIV-related Sexual Risk Taking Among HIV-negative Men Who Have Sex with Men in Zagreb, Croatia." AIDS and Behavior 12 (2007): 505. https://doi.org/10.1007/s10461-007-9327-3.
Παραπομπή σε μορφή MLA (9th εκδ.)Štulhofer, Aleksandar, et al. "HIV-related Sexual Risk Taking Among HIV-negative Men Who Have Sex with Men in Zagreb, Croatia." AIDS and Behavior, vol. 12, 2007, p. 505, https://doi.org/10.1007/s10461-007-9327-3.
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