World Health Organization. South - East Asia & World Health Organization. (1999). Essential drugs for primary health care: A manual for health workers in South-East Asia. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. South - East Asia و World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. Geneva: World Health Organization, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. South - East Asia و World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. World Health Organization, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.