World Health Organization.; United States, World Health Organization, & USAID. Family planning: A global handbook for providers : evidence-based guidance developed through worldwide collaboration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization.; United States, World Health Organization, و USAID. Family Planning: A Global Handbook for Providers : Evidence-based Guidance Developed Through Worldwide Collaboration.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization.; United States, et al. Family Planning: A Global Handbook for Providers : Evidence-based Guidance Developed Through Worldwide Collaboration.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.