Asfahl, C. R. (1995). Industrial safety and health management (3rd ed.). Prentice Hall.
Chicago Style aipamenaAsfahl, C. Ray. Industrial Safety and Health Management. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1995.
MLA aipamenaAsfahl, C. Ray. Industrial Safety and Health Management. 3rd ed. Prentice Hall, 1995.
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