Não informado. (1953). British Journal of Preventive and Social Medicine. British Medical Association.
Chicago-Zitierstil (17. Ausg.)Não informado. British Journal of Preventive and Social Medicine. London: British Medical Association, 1953.
MLA-Zitierstil (8. Ausg.)Não informado. British Journal of Preventive and Social Medicine. British Medical Association, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.