WENTZ, C. A. (1998). Safety, health, and environmental protection. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)WENTZ, Charles A. Safety, Health, and Environmental Protection. Boston: McGraw-Hill, 1998.
Citatione MLA (9a ed.)WENTZ, Charles A. Safety, Health, and Environmental Protection. McGraw-Hill, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.