Rom, W. N. (1992). Environmental and occupational medicine (2nd ed.). Little, Brown.
Chicago-referens (17:e uppl.)Rom, William N. Environmental and Occupational Medicine. 2nd ed. Boston: Little, Brown, 1992.
MLA-referens (8:e uppl.)Rom, William N. Environmental and Occupational Medicine. 2nd ed. Little, Brown, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.