Dyfyniad APA
Ram , B., & Vishwakarma , D. N. (2011). Power system protection and switchgear (2nd ed.). Tata McGraw Hill.
Dyfyniad Arddull Chicago
Ram , Badri, and D N. Vishwakarma. Power System Protection and Switchgear. 2nd ed. New Delhi: Tata McGraw Hill, 2011.
Dyfyniad MLA
Ram , Badri, and D N. Vishwakarma. Power System Protection and Switchgear. 2nd ed. Tata McGraw Hill, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.