Centers for Disease Control and prevention (U.S.) & International Clearinghouse for Birth Defects Monitoring System. Birth defects surveillance: A manual for programme managers. World Health Organization.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCenters for Disease Control and prevention (U.S.) এবং International Clearinghouse for Birth Defects Monitoring System. Birth Defects Surveillance: A Manual for Programme Managers. Geneva: World Health Organization.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCenters for Disease Control and prevention (U.S.) এবং International Clearinghouse for Birth Defects Monitoring System. Birth Defects Surveillance: A Manual for Programme Managers. World Health Organization.
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