APA (7 ম সংস্করণ) উদ্ধৃতি
World Health Organization. (2014). Guidelines for the identification and management of substance use and substance use disorders in pregnancy. World Health Organization.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি
World Health Organization. Guidelines for the Identification and Management of Substance Use and Substance Use Disorders in Pregnancy. Ginebra: World Health Organization, 2014.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি
World Health Organization. Guidelines for the Identification and Management of Substance Use and Substance Use Disorders in Pregnancy. World Health Organization, 2014.
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