Purchell, E. M. (1985). Electricity and Magnetism. Singapore: McGraw-Hill.
Trích dẫn kiểu ChicagoPurchell, Edward M. Electricity and Magnetism. Singapore: McGraw-Hill, 1985.
Deismireacht MLAPurchell, Edward M. Electricity and Magnetism. Singapore: McGraw-Hill, 1985.
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