World Health Organization.; United States, World Health Organization, & USAID. Family planning: A global handbook for providers : evidence-based guidance developed through worldwide collaboration.
Chicago-viite (17. p.)World Health Organization.; United States, World Health Organization, ja USAID. Family Planning: A Global Handbook for Providers : Evidence-based Guidance Developed Through Worldwide Collaboration.
MLA-viite (9. p.)World Health Organization.; United States, et al. Family Planning: A Global Handbook for Providers : Evidence-based Guidance Developed Through Worldwide Collaboration.
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