Παραπομπή APA

Wentz, C. A. (1998). Safety, health, and environmental protection. Boston, Massachusetts: McGraw-Hill.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.