Gaya APA

levy, B, S., levy, B, S. (2000). Occupational Health : recognizing And Preventing Work-related Disease and Injury . New York: lippincott williams &wilkins.

Gaya MLA

levy, Baarr, S., levy, Barry, S.. "Occupational Health : recognizing And Preventing Work-related Disease and Injury". New York: lippincott williams &wilkins, 2000. Text.