Não informado. (1987). Safety and health at work. International Occupational Safety and Health Information Centre.
Style de citation Chicago (17e éd.)Não informado. Safety and Health at Work. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1987.
Style de citation MLA (8e éd.)Não informado. Safety and Health at Work. International Occupational Safety and Health Information Centre, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.