Não informado. (1962). Work-Environment-Health. Institute of Occupational Health.
Chicago-Zitierstil (17. Ausg.)Não informado. Work-Environment-Health. Helsinki: Institute of Occupational Health, 1962.
MLA-Zitierstil (8. Ausg.)Não informado. Work-Environment-Health. Institute of Occupational Health, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.