Ryder, J. D. (1955). Networks, lines and fields (2nd ed.). Prentice Hall of India.
Dyfyniad Arddull ChicagoRyder, John D. Networks, Lines and Fields. 2nd ed. New Delhi: Prentice Hall of India, 1955.
Dyfyniad MLARyder, John D. Networks, Lines and Fields. 2nd ed. Prentice Hall of India, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.