Não informado. (1974). International Journal of Occupational Health and Safety. Medical Publications.
Cita Chicago Style (17a ed.)Não informado. International Journal of Occupational Health and Safety. Northbrook, Ill: Medical Publications, 1974.
Cita MLA (8a ed.)Não informado. International Journal of Occupational Health and Safety. Medical Publications, 1974.
Precaución: Estas citas no son 100% exactas.