Pender, H., & Mar, W. A. D. (1949). Electrical engineer's handbook: Electric power. Wiley Eastern.
Dyfyniad Arddull ChicagoPender, Harold, and William A Del Mar. Electrical Engineer's Handbook: Electric Power. New York: Wiley Eastern, 1949.
Dyfyniad MLAPender, Harold, and William A Del Mar. Electrical Engineer's Handbook: Electric Power. Wiley Eastern, 1949.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.