Cita APA (7th ed.)

ELECTRICAL POWER & DUGAN, R. C. [. (2003). Electrical power systems quality.-- ed.2. McGraw-Hill.

Cita Chicago (17th ed.)

ELECTRICAL POWER i Roger C. [et.al] DUGAN. Electrical Power Systems Quality.-- Ed.2. New York: McGraw-Hill, 2003.

Cita MLA (9th ed.)

ELECTRICAL POWER i Roger C. [et.al] DUGAN. Electrical Power Systems Quality.-- Ed.2. McGraw-Hill, 2003.