SIEMENS. (1989). ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN.
Cita Chicago (17th ed.)SIEMENS. ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN, 1989.
Cita MLA (9th ed.)SIEMENS. ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.