Mall:Koroonapandeemia riigiti/viide

Ritchie, Hannah; Mathieu, Edouard; Rodés-Guirao, Lucas; Appel, Cameron; Giattino, Charlie; Ortiz-Ospina, Esteban; Hasell, Joe; Macdonald, Bobbie; Beltekian, Diana; Dattani, Saloni; Roser, Max (2020–2021). "Coronavirus Pandemic (COVID-19)". Our World in Data (inglise). Vaadatud 7. juulil 2024.