Lenk, J. D. (1969). Handbook of electronic meters: Theory and application. Prentice-Hall of India.
Dyfyniad Arddull ChicagoLenk, John D. Handbook of Electronic Meters: Theory and Application. New Jersey: Prentice-Hall of India, 1969.
Dyfyniad MLALenk, John D. Handbook of Electronic Meters: Theory and Application. Prentice-Hall of India, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.