APA (7th ed.) Zitazioa
Modern power system analysis (4th ed.). Tata McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Modern Power System Analysis. 4th ed. Boston ; New Delhi: Tata McGraw-Hill.
MLA (9th ed.) Zitazioa
Modern Power System Analysis. 4th ed. Tata McGraw-Hill.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.