Stephenson, J. D. (1991). System safety 2000: A practical guide for planning, managing, and conducting system safety programs. Van Nostrand Reinhold.
Čikaški stil citiranja (17. izdanje)Stephenson, Joe Dr. System Safety 2000: A Practical Guide for Planning, Managing, and Conducting System Safety Programs. New York: Van Nostrand Reinhold, 1991.
MLA način citiranja (9. izdanje)Stephenson, Joe Dr. System Safety 2000: A Practical Guide for Planning, Managing, and Conducting System Safety Programs. Van Nostrand Reinhold, 1991.
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