Παραπομπή APA

Grimaldi, J. V., & Simonds, R. H. (1991). Safety management/5e (5th ed.). Richard D.Irwin.

Παραπομπή Chicago Style

Grimaldi, John V., και Rollin H. Simonds. Safety Management/5e. 5th ed. Delhi: Richard D.Irwin, 1991.

Παραπομπή MLA

Grimaldi, John V., και Rollin H. Simonds. Safety Management/5e. 5th ed. Richard D.Irwin, 1991.