APA Style
Friend, Mark A, Kohn, James P. (2007).
Fundamentals of Occupational Safety and Health: Fourth Edition .
United States of America:
Government Institutes.
Chicago Style
Friend, Mark A, Kohn, James P.
Fundamentals of Occupational Safety and Health: Fourth Edition.
United States of America:
Government Institutes,
2007.
Text.
MLA Style
Friend, Mark A, Kohn, James P.
Fundamentals of Occupational Safety and Health: Fourth Edition.
United States of America:
Government Institutes,
2007.
Text.
Turabian Style
Friend, Mark A, Kohn, James P.
Fundamentals of Occupational Safety and Health: Fourth Edition.
United States of America:
Government Institutes,
2007.
Print.