(2007). J.J. Keller's electrical safety handbook: A guide & toolkit for safety managers and supervisors = Electrical safety handbook. J.J. Keller & Associates, Inc.
Chicago-Zitierstil (17. Ausg.)J.J. Keller's Electrical Safety Handbook: A Guide & Toolkit for Safety Managers and Supervisors = Electrical Safety Handbook. Neenah, WI: J.J. Keller & Associates, Inc, 2007.
MLA-Zitierstil (9. Ausg.)J.J. Keller's Electrical Safety Handbook: A Guide & Toolkit for Safety Managers and Supervisors = Electrical Safety Handbook. J.J. Keller & Associates, Inc, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.