Não informado. (1958). Epidemiological bulletin. Department of National Health and Welfare, Epidemiological Division.
Cita Chicago Style (17a ed.)Não informado. Epidemiological Bulletin. Ottawa: Department of National Health and Welfare, Epidemiological Division, 1958.
Cita MLA (8a ed.)Não informado. Epidemiological Bulletin. Department of National Health and Welfare, Epidemiological Division, 1958.
Precaución: Estas citas no son 100% exactas.