South African Academy of Family Physicians. South African family practice. African Online Scientific Information Systems.
Chicago-referens (17:e uppl.)South African Academy of Family Physicians. South African Family Practice. Cape Town, South Africa: African Online Scientific Information Systems.
MLA-referens (9:e uppl.)South African Academy of Family Physicians. South African Family Practice. African Online Scientific Information Systems.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.