Cita APA (7th ed.)
Ram, B., & Vishwakarma, D. (2015). Power system protection and switchgear (2nd ed.). McGraw Hill Education (I) Pvt. Ltd.
Cita Chicago (17th ed.)
Ram, Badri, i D.N Vishwakarma. Power System Protection and Switchgear. 2nd ed. New Delhi: McGraw Hill Education (I) Pvt. Ltd, 2015.
Cita MLA (9th ed.)
Ram, Badri, i D.N Vishwakarma. Power System Protection and Switchgear. 2nd ed. McGraw Hill Education (I) Pvt. Ltd, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.