APA-referens (7:e uppl.)
U.S. Department of Labor. Bureau of Labor Standards. (1960). Control of the physical environment. U.S. Departm. of Labor.
Chicago-referens (17:e uppl.)
U.S. Department of Labor. Bureau of Labor Standards. Control of the Physical Environment. Washington: U.S. Departm. of Labor, 1960.
MLA-referens (9:e uppl.)
U.S. Department of Labor. Bureau of Labor Standards. Control of the Physical Environment. U.S. Departm. of Labor, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.