V. Grimaldi , . J., & H. Simonds, R. (1975). Safety management. Irwin (Richard D.) Inc..
Chicago-čujuhus (17. p.)V. Grimaldi , John, juo Rollin H. Simonds. Safety Management. America: Irwin (Richard D.) Inc., 1975.
MLA-čujuhus (9. p.)V. Grimaldi , John, juo Rollin H. Simonds. Safety Management. Irwin (Richard D.) Inc., 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.