APA aipamena

Asfahl, C. R. (1999). Industrial safety and health management (4th ed.). Prentice Hall.

Chicago Style aipamena

Asfahl, C. Ray. Industrial Safety and Health Management. 4th ed. Englewood Cliffs, N.J: Prentice Hall, 1999.

MLA aipamena

Asfahl, C. Ray. Industrial Safety and Health Management. 4th ed. Prentice Hall, 1999.