World Health Organization. (1997). Manual of laboratory methods for testing of vaccines used in the WHO Expanded Programme on Immunization. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Manual of Laboratory Methods for Testing of Vaccines Used in the WHO Expanded Programme on Immunization. Geneva: World Health Organization, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Manual of Laboratory Methods for Testing of Vaccines Used in the WHO Expanded Programme on Immunization. World Health Organization, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.