Cita APA (7th ed.)

V. Grimaldi , . J., & H. Simonds, R. (1975). Safety management. ‎ Irwin (Richard D.) Inc..

Cita Chicago (17th ed.)

V. Grimaldi , John, i Rollin H. Simonds. Safety Management. America: ‎ Irwin (Richard D.) Inc., 1975.

Cita MLA (9th ed.)

V. Grimaldi , John, i Rollin H. Simonds. Safety Management. ‎ Irwin (Richard D.) Inc., 1975.