DiBerardinis, L. J. (1999). Handbook of occupational safety and health (2nd ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleDiBerardinis, Louis J.. Handbook of Occupational Safety and Health. 2nd ed. New York: John Wiley & Sons, 1999.
Παραπομπή MLADiBerardinis, Louis J.. Handbook of Occupational Safety and Health. 2nd ed. New York: John Wiley & Sons, 1999.
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