Shepherd, W., & Zand, P. (1979). Energy flow and power factor in nonsinusoidal circuits. Cambridge University Press.
Chicago Style aipamenaShepherd, W., and P. Zand. Energy Flow and Power Factor in Nonsinusoidal Circuits. Cambridge [Eng.] ; New York: Cambridge University Press, 1979.
MLA aipamenaShepherd, W., and P. Zand. Energy Flow and Power Factor in Nonsinusoidal Circuits. Cambridge University Press, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.