Duffin, W. (1990). Electricity and magnetism: W. J. Duffin. McGraw-Hill.
Chicago-čujuhus (17. p.)Duffin, W.J. Electricity and Magnetism: W. J. Duffin. London: McGraw-Hill, 1990.
MLA-čujuhus (9. p.)Duffin, W.J. Electricity and Magnetism: W. J. Duffin. McGraw-Hill, 1990.
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