Não informado. (1973). Job safety and health. Occupational Safety and Health Administration.
Style de citation Chicago (17e éd.)Não informado. Job Safety and Health. Washington: Occupational Safety and Health Administration, 1973.
Style de citation MLA (8e éd.)Não informado. Job Safety and Health. Occupational Safety and Health Administration, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.