Não informado. (2020). South African National Scientific Programmes Report. National Scientific Programmes Unit, Council for Scientific and Industrial Research.
Chicago-referens (17:e uppl.)Não informado. South African National Scientific Programmes Report. Pretoria, Africa do Sul: National Scientific Programmes Unit, Council for Scientific and Industrial Research, 2020.
MLA-referens (8:e uppl.)Não informado. South African National Scientific Programmes Report. National Scientific Programmes Unit, Council for Scientific and Industrial Research, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.