APA (7th ed.) Zitazioa
Smith, S. P., & Smith, P. N. (2003). Problems in electrical engineering: Power engineering and electronics with answers partly solved in S.I.units (9th ed.). CBS pub.
Chicago Style (17th ed.) Zitazioa
Smith, S. Parker, eta Parker N.N Smith. Problems in Electrical Engineering: Power Engineering and Electronics with Answers Partly Solved in S.I.units. 9th ed. New Delhi: CBS pub, 2003.
MLA (9th ed.) Zitazioa
Smith, S. Parker, eta Parker N.N Smith. Problems in Electrical Engineering: Power Engineering and Electronics with Answers Partly Solved in S.I.units. 9th ed. CBS pub, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.