Não informado. (2019). Applied Occupational and Environmental Hygiene. Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists.
Chicago-viite (17. p.)Não informado. Applied Occupational and Environmental Hygiene. Cincinnati, Ohio: Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists, 2019.
MLA-viite (8. p.)Não informado. Applied Occupational and Environmental Hygiene. Applied Industrial Hygiene for the American Conference of Governmental Industrial Hygienists, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.