Noll, E. M. (1975). Science projects in electricity. D B Taraporvala and sons.
Dyfyniad Arddull ChicagoNoll, Edward M. Science Projects in Electricity. Indiapolis: D B Taraporvala and sons, 1975.
Dyfyniad MLANoll, Edward M. Science Projects in Electricity. D B Taraporvala and sons, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.