Cita APA (7a ed.)
Friend, M. A., & Kohn, J. P. (2010). Fundamentals of occupational safety and health (5th ed.). Government Institutes.
Cita Chicago Style (17a ed.)
Friend, Mark A., y James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Lanham: Government Institutes, 2010.
Cita MLA (9a ed.)
Friend, Mark A., y James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Government Institutes, 2010.
Precaución: Estas citas no son 100% exactas.