Asfahl, C. R. (1990). Industrial safety and health management (2nd ed.). Prentice Hall.
Chicago (17e ed.) BronvermeldingAsfahl, C. Ray. Industrial Safety and Health Management. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1990.
MLA (9e ed.) BronvermeldingAsfahl, C. Ray. Industrial Safety and Health Management. 2nd ed. Prentice Hall, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.