McPartlan, J. F. (1999). National electrical code handbook [dalam cd]. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)McPartlan, Joseph F. National Electrical Code Handbook [dalam Cd]. McGraw-Hill, 1999.
Lua MLA (8ú heag.)McPartlan, Joseph F. National Electrical Code Handbook [dalam Cd]. McGraw-Hill, 1999.
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