Greg Fletcher. (2007). Guide to using the National Electrical Code (NEC). Clifton Park, NY: Thomson Delmar Learning.
Chicago-stil citatGreg Fletcher. Guide to Using the National Electrical Code (NEC). Clifton Park, NY: Thomson Delmar Learning, 2007.
MLA-referensGreg Fletcher. Guide to Using the National Electrical Code (NEC). Clifton Park, NY: Thomson Delmar Learning, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.