APA (7. basım) Alıntı
Friend, M. A., & Kohn, J. P. (2010). Fundamentals of occupational safety and health (5th ed.). Government Institutes.
Chicago Style (17. basım) Atıf
Friend, Mark A., ve James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Lanham: Government Institutes, 2010.
MLA (9th ed.) Atıf
Friend, Mark A., ve James P. Kohn. Fundamentals of Occupational Safety and Health. 5th ed. Government Institutes, 2010.
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