APA citiranje

Friend, M. A., & Kohn, J. P. (2010). Fundamentals of occupational safety and health (5th ed.). Government Institutes.

Chicago Style (17th ed.) Citation

Friend, Mark A., and James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Lanham: Government Institutes, 2010.

MLA citiranje

Friend, Mark A., and James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Government Institutes, 2010.