National Joint Apprenticeship Training Committee. (2005). Electrical field reference handbook: Revised for the 2005 national electrical code.(Sách phôtô) (In lần thứ 1.). American: Thomson Delmar Learning.
Citação norma ChicagoNational Joint Apprenticeship Training Committee. Electrical Field Reference Handbook: Revised for the 2005 National Electrical Code.(Sách Phôtô). In lần thứ 1. American: Thomson Delmar Learning, 2005.
Citação norma MLANational Joint Apprenticeship Training Committee. Electrical Field Reference Handbook: Revised for the 2005 National Electrical Code.(Sách Phôtô). In lần thứ 1. American: Thomson Delmar Learning, 2005.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.