World Health Organization. (1999). Health laboratory services in support of primary health care in South - East Asia. World Health organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Health Laboratory Services in Support of Primary Health Care in South - East Asia. New Delhi: World Health organization, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Health Laboratory Services in Support of Primary Health Care in South - East Asia. World Health organization, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.