Não informado. (2001). South African journal of medical sciences: Supplement. University of the Witwatersrand, Medical Graduate Association.
Chicago (17e ed.) BronvermeldingNão informado. South African Journal of Medical Sciences: Supplement. Johannesburg, Africa do Sul: University of the Witwatersrand, Medical Graduate Association, 2001.
MLA (8e ed.) BronvermeldingNão informado. South African Journal of Medical Sciences: Supplement. University of the Witwatersrand, Medical Graduate Association, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.