Παραπομπή σε μορφή APA (7η εκδ.)
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.
Παραπομπή σε μορφή Chicago (17η εκδ.)
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.
Παραπομπή σε μορφή MLA (9th εκδ.)
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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