APA (7th ed.) Zitazioa
Husain, A. (1994). Electrical power systems (4th ed.). CBS Pub.
Chicago Style (17th ed.) Zitazioa
Husain, Ashfaq. Electrical Power Systems. 4th ed. New Delhi: CBS Pub, 1994.
MLA (9th ed.) Zitazioa
Husain, Ashfaq. Electrical Power Systems. 4th ed. CBS Pub, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.