Pugh, E. M., & Pugh, E. W. (1970). Principles of electricity and magnetism (2nd ed.). Reading, MA.: Addison-Wesley Publishing Company.
Παραπομπή Chicago StylePugh, Emerson M., and Emerson W. Pugh. Principles of Electricity and Magnetism. 2nd ed. Reading, MA.: Addison-Wesley Publishing Company, 1970.
Παραπομπή MLAPugh, Emerson M., and Emerson W. Pugh. Principles of Electricity and Magnetism. 2nd ed. Reading, MA.: Addison-Wesley Publishing Company, 1970.
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