World Health Organization. Regional Office for Africa. (2020). Coronavirus virus disease (COVID-19) outbreak: Africa [electronic resource]. World Health Organization, Regional Office for Africa.
Style de citation Chicago (17e éd.)World Health Organization. Regional Office for Africa. Coronavirus Virus Disease (COVID-19) Outbreak: Africa [electronic Resource]. Brazzaville, Congo: World Health Organization, Regional Office for Africa, 2020.
Style de citation MLA (9e éd.)World Health Organization. Regional Office for Africa. Coronavirus Virus Disease (COVID-19) Outbreak: Africa [electronic Resource]. World Health Organization, Regional Office for Africa, 2020.
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