South African Academy of Family Physicians. South African family practice. African Online Scientific Information Systems.
Citação do estilo Chicago (17ª ed.)South African Academy of Family Physicians. South African Family Practice. Cape Town, South Africa: African Online Scientific Information Systems.
Citação MLA (9ª ed.)South African Academy of Family Physicians. South African Family Practice. African Online Scientific Information Systems.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.