Não informado. (2019). Applied Occupational and Environmental Hygiene. Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists.
Chicago-referens (17:e uppl.)Não informado. Applied Occupational and Environmental Hygiene. Cincinnati, Ohio: Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists, 2019.
MLA-referens (8:e uppl.)Não informado. Applied Occupational and Environmental Hygiene. Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.