Department of Army and Airforce, U. S. A. (1974). Electrical fundamentals (Direct current). Oxford.
Παραπομπή Chicago StyleDepartment of Army and Airforce, U S A. Electrical Fundamentals (Direct Current). New Delhi: Oxford, 1974.
Παραπομπή MLADepartment of Army and Airforce, U S A. Electrical Fundamentals (Direct Current). Oxford, 1974.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.