APA Citatie

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

Chicago Style citaat

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

MLA citatie

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