APA (7e ed.) Bronvermelding

Não informado. South African cancer bulletin. National Cancer Association of South Africa.

Chicago (17e ed.) Bronvermelding

Não informado. South African Cancer Bulletin. Johannesburg, Africa do Sul: National Cancer Association of South Africa.

MLA (8e ed.) Bronvermelding

Não informado. South African Cancer Bulletin. National Cancer Association of South Africa.

Let op: Deze citaties zijn niet altijd 100% accuraat.