World Health Organization. (1981). Guidelines for training community health workers in nutrition. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Guidelines for Training Community Health Workers in Nutrition. Geneva: World Health Organization, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Guidelines for Training Community Health Workers in Nutrition. World Health Organization, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.