National Joint Apprenticeship and Training Committee for the Electrical Industry. (2008). DC theory (2nd ed.). Delmar Cengage Learning.
Chicago-Zitierstil (17. Ausg.)National Joint Apprenticeship and Training Committee for the Electrical Industry. DC Theory. 2nd ed. Clifton Park, NY: Delmar Cengage Learning, 2008.
MLA-Zitierstil (9. Ausg.)National Joint Apprenticeship and Training Committee for the Electrical Industry. DC Theory. 2nd ed. Delmar Cengage Learning, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.