Herman, S. L. (2007). Direct current fundamentals. Clifton Park, NY: Thomson Delmar Learning.
Čikaški stil citiranjaHerman, Stephen L. Direct Current Fundamentals. Clifton Park, NY: Thomson Delmar Learning, 2007.
MLA način citiranjaHerman, Stephen L. Direct Current Fundamentals. Clifton Park, NY: Thomson Delmar Learning, 2007.
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