Cheung, W. (2021). Arcade Expression Crash Course with COVID-19 data. Wing Cheung.
Chicago-referens (17:e uppl.)Cheung, Wing. Arcade Expression Crash Course with COVID-19 Data. SAN MARCOS, CALIFORNIA: Wing Cheung, 2021.
MLA-referens (9:e uppl.)Cheung, Wing. Arcade Expression Crash Course with COVID-19 Data. Wing Cheung, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.