Knight, U. G. (1972). Power systems engineering and mathematics. Pergamon Press.
Chicago Style aipamenaKnight, Upton George. Power Systems Engineering and Mathematics. Oxford, New York: Pergamon Press, 1972.
MLA aipamenaKnight, Upton George. Power Systems Engineering and Mathematics. Pergamon Press, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.