APA-referens (7:e uppl.)

WENTZ, C. A. (1998). Safety, health, and environmental protection. McGraw-Hill.

Chicago-referens (17:e uppl.)

WENTZ, Charles A. Safety, Health, and Environmental Protection. Boston: McGraw-Hill, 1998.

MLA-referens (9:e uppl.)

WENTZ, Charles A. Safety, Health, and Environmental Protection. McGraw-Hill, 1998.