Não informado. (1953). British Journal of Preventive and Social Medicine. British Medical Association.
Chicago (17e ed.) BronvermeldingNão informado. British Journal of Preventive and Social Medicine. London: British Medical Association, 1953.
MLA (8e ed.) BronvermeldingNão informado. British Journal of Preventive and Social Medicine. British Medical Association, 1953.
Let op: Deze citaties zijn niet altijd 100% accuraat.