Wentz, C. A. (1998). Safety, health, and environmental protection. Boston, Massachusetts: McGraw-Hill.
Chicago-stil citatWentz, Charles A. Safety, Health, and Environmental Protection. Boston, Massachusetts: McGraw-Hill, 1998.
MLA-referensWentz, Charles A. Safety, Health, and Environmental Protection. Boston, Massachusetts: McGraw-Hill, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.