Citazione Stile APA (7a Edizione)

Wentz, C. A. (1999). Safety, Health, and environmental protection. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Wentz, Charles A. Safety, Health, and Environmental Protection. Boston, Mass.: McGraw-Hill, 1999.

Citatione MLA (9a ed.)

Wentz, Charles A. Safety, Health, and Environmental Protection. McGraw-Hill, 1999.