Schultz, R., & McWilliams, S. (1966). Electrical experiments you can do (Rev. ed.). Thomas Alva Edison Foundation.
Dyfyniad Arddull ChicagoSchultz, Robert, and Sherwin McWilliams. Electrical Experiments You Can Do. Rev. ed. New York: Thomas Alva Edison Foundation, 1966.
Dyfyniad MLASchultz, Robert, and Sherwin McWilliams. Electrical Experiments You Can Do. Rev. ed. Thomas Alva Edison Foundation, 1966.
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