Cita APA (7th ed.)
Bergen, A. R., & Vittal, V. (2006). Power systems analysis. Pearson Education.
Cita Chicago (17th ed.)
Bergen, Artur R., i Vijay Vittal. Power Systems Analysis. Delhi: Pearson Education, 2006.
Cita MLA (9th ed.)
Bergen, Artur R., i Vijay Vittal. Power Systems Analysis. Pearson Education, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.