World Health Organization, Centers for Disease Control and Prevention, & International Clearinghouse for Birth Defects Surveillance and Research. (2014). Birth defects surveillance a manual for programme managers. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization, Centers for Disease Control and Prevention, و International Clearinghouse for Birth Defects Surveillance and Research. Birth Defects Surveillance a Manual for Programme Managers. Geneva, switzerland: World Health Organization, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization, et al. Birth Defects Surveillance a Manual for Programme Managers. World Health Organization, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.