APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.