APA (7th ed.) Zitazioa

Grimaldi, J. V. (1975). Safety management (3rded.). Richard D. Irwin.

Chicago Style (17th ed.) Zitazioa

Grimaldi, John V. Safety Management. 3rded. Homewood: Richard D. Irwin, 1975.

MLA (9th ed.) Zitazioa

Grimaldi, John V. Safety Management. 3rded. Richard D. Irwin, 1975.