Não informado. (1974). International Journal of Occupational Health and Safety. Medical Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. International Journal of Occupational Health and Safety. Northbrook, Ill: Medical Publications, 1974.
MLA-Zitierstil (8. Ausg.)Não informado. International Journal of Occupational Health and Safety. Medical Publications, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.