.Rao, S. S. (1992). Switchgear and protection (10th ed.). Khanna Publishers.
Chicago Style (17th ed.) Zitazioa.Rao, Sunil S. Switchgear and Protection. 10th ed. Delhi: Khanna Publishers, 1992.
MLA (9th ed.) Zitazioa.Rao, Sunil S. Switchgear and Protection. 10th ed. Khanna Publishers, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.