APA-čujuhus (7. p.)
Bergen, A. R., & Vittal, V. (2006). Power systems analysis. Pearson Education.
Chicago-čujuhus (17. p.)
Bergen, Artur R., juo Vijay Vittal. Power Systems Analysis. Delhi: Pearson Education, 2006.
MLA-čujuhus (9. p.)
Bergen, Artur R., juo Vijay Vittal. Power Systems Analysis. Pearson Education, 2006.
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