Hartwell, F. P., Richter, H. P., & Schwan, W. C. (2022). Wiring simplified: Based on the 2020 National Electrical Code® (46th edition.). Park Publishing, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartwell, Frederic P., H. P. Richter, और W. Creighton Schwan. Wiring Simplified: Based on the 2020 National Electrical Code®. 46th edition. Minneapolis, Minnesota: Park Publishing, Inc., 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHartwell, Frederic P., et al. Wiring Simplified: Based on the 2020 National Electrical Code®. 46th edition. Park Publishing, Inc., 2022.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.