Simmons, J. P. (2018). Electrical grounding and bonding: Based on the 2017 national electrical code (Fifth edition.). Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimmons, J. Philip. Electrical Grounding and Bonding: Based on the 2017 National Electrical Code. Fifth edition. Boston, MA: Cengage Learning, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSimmons, J. Philip. Electrical Grounding and Bonding: Based on the 2017 National Electrical Code. Fifth edition. Cengage Learning, 2018.
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