World Health Organization. (2000). Promoting condoms in clinic for sexually transmitted infections. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Promoting Condoms in Clinic for Sexually Transmitted Infections. Manila, Philippines: World Health Organization, 2000.
MLA aipamenaWorld Health Organization. Promoting Condoms in Clinic for Sexually Transmitted Infections. World Health Organization, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.