Não informado. (1974). International Journal of Occupational Health and Safety. Medical Publications.
Citação do estilo Chicago (17ª ed.)Não informado. International Journal of Occupational Health and Safety. Northbrook, Ill: Medical Publications, 1974.
Citação MLA (8ª ed.)Não informado. International Journal of Occupational Health and Safety. Medical Publications, 1974.
警告：这些引文格式不一定是100％准确.