Wentz, C. A. (1998). Safety, health, and environmental protection. Boston, Massachusetts: McGraw-Hill.
Chicago Style CitationWentz, Charles A. Safety, Health, and Environmental Protection. Boston, Massachusetts: McGraw-Hill, 1998.
Cita MLAWentz, Charles A. Safety, Health, and Environmental Protection. Boston, Massachusetts: McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.