Não informado. (1940). American Industrial Hygiene Association Quarterly. American Industrial Hygiene Association.
Chicago-Zitierstil (17. Ausg.)Não informado. American Industrial Hygiene Association Quarterly. Chicago, Ill: American Industrial Hygiene Association, 1940.
MLA-Zitierstil (8. Ausg.)Não informado. American Industrial Hygiene Association Quarterly. American Industrial Hygiene Association, 1940.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.