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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization, Centers for Disease Control and Prevention, এবং International Clearinghouse for Birth Defects Surveillance and Research. Birth Defects Surveillance a Manual for Programme Managers. Geneva, switzerland: World Health Organization, 2014.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization, et al. Birth Defects Surveillance a Manual for Programme Managers. World Health Organization, 2014.
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