World Health Organization. Regional Office for Africa. (2020). Coronavirus virus disease (COVID-19) outbreak: Africa [electronic resource]. World Health Organization, Regional Office for Africa.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)World Health Organization. Regional Office for Africa. Coronavirus Virus Disease (COVID-19) Outbreak: Africa [electronic Resource]. World Health Organization, Regional Office for Africa, 2020.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.