Friend, M. A., & Kohn, J. P. (2007). Fundamentals of occupational safety and health Mark A. Friend and James P. Kohn (4th ed.). Government Institutes.
Chicago Style (17th ed.) CitationFriend, Mark A., and James P. Kohn. Fundamentals of Occupational Safety and Health Mark A. Friend and James P. Kohn. 4th ed. Lanham, Md.: Government Institutes, 2007.
MLA (9th ed.) CitationFriend, Mark A., and James P. Kohn. Fundamentals of Occupational Safety and Health Mark A. Friend and James P. Kohn. 4th ed. Government Institutes, 2007.
Warning: These citations may not always be 100% accurate.