Ward , r. P. . .. (1969). Introduction to electrical engineering (3rd ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Ward , robert P. Introduction to Electrical Engineering. 3rd ed. New Delhi: Prentice Hall, 1969.
Cita MLA (9a ed.)Ward , robert P. Introduction to Electrical Engineering. 3rd ed. Prentice Hall, 1969.
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