APA (7 ম সংস্করণ) উদ্ধৃতি
Department of Mental Health and Substance Use. (2020). The impact of COVID-19 on mental, neurological and substance use services: Results of a rapid assessment. World Health Organization.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি
Department of Mental Health and Substance Use. The Impact of COVID-19 on Mental, Neurological and Substance Use Services: Results of a Rapid Assessment. Ginebra: World Health Organization, 2020.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি
Department of Mental Health and Substance Use. The Impact of COVID-19 on Mental, Neurological and Substance Use Services: Results of a Rapid Assessment. World Health Organization, 2020.
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