Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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