Citazione Stile APA (7a Edizione)

Hammer, W., & Price, D. (2001). Occupational safety management and engineering (5th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Hammer, Willie, e Dennis Price. Occupational Safety Management and Engineering. 5th ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Citatione MLA (9a ed.)

Hammer, Willie, e Dennis Price. Occupational Safety Management and Engineering. 5th ed. Prentice Hall, 2001.