Não informado. (2007). Archives of Environmental & Occupational Health. Heldref Publications.
Chicago-referens (17:e uppl.)Não informado. Archives of Environmental & Occupational Health. Washington: Heldref Publications, 2007.
MLA-referens (8:e uppl.)Não informado. Archives of Environmental & Occupational Health. Heldref Publications, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.