Gaya APA

Occupational health and safety : term, definitions and abbreviations / Robert G. Confer, Thomas R. Confer. (1999). : Boca Raton : Lewis Publishers.

Gaya MLA

Occupational health and safety : term, definitions and abbreviations / Robert G. Confer, Thomas R. Confer. 2nd ed.. : Boca Raton : Lewis Publishers, 1999. Text.