Não informado. (1949). Occupational Health. Royal College of Nursing Society of Occupational Health Nursing.
Cita Chicago Style (17a ed.)Não informado. Occupational Health. London: Royal College of Nursing Society of Occupational Health Nursing, 1949.
Cita MLA (8a ed.)Não informado. Occupational Health. Royal College of Nursing Society of Occupational Health Nursing, 1949.
Precaución: Estas citas no son 100% exactas.