Kothari, D. P., & Nagrath, I. J. (2008). Modern power system analysis (3rd ed.). McGraw-Hill Higher Education; Tata McGraw-Hill.

Kothari, D. P., and I. J. Nagrath. Modern Power System Analysis. 3rd ed. Boston : New Delhi: McGraw-Hill Higher Education; Tata McGraw-Hill, 2008.

Kothari, D. P., and I. J. Nagrath. Modern Power System Analysis. 3rd ed. McGraw-Hill Higher Education; Tata McGraw-Hill, 2008.