Gilbert, N. E. (1941). Electricity and magnetism. New York: Macmillan Company.
Trích dẫn kiểu ChicagoGilbert, Norman E. Electricity and Magnetism. New York: Macmillan Company, 1941.
MLA citiranjeGilbert, Norman E. Electricity and Magnetism. New York: Macmillan Company, 1941.
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