Não informado. (1963). Occupational safety and health abstracts. International Occupational Safety and Health Information Centre.
Chicago-Zitierstil (17. Ausg.)Não informado. Occupational Safety and Health Abstracts. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1963.
MLA-Zitierstil (8. Ausg.)Não informado. Occupational Safety and Health Abstracts. International Occupational Safety and Health Information Centre, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.