COTTON H. (2005). ELECTRICAL TECHNOLOGY (7 ed.). CBS PUBLISHERS & DISTRIBUTORS.
Chicago-čujuhus (17. p.)COTTON H. ELECTRICAL TECHNOLOGY. 7 ed. NEW DELHI: CBS PUBLISHERS & DISTRIBUTORS, 2005.
MLA-čujuhus (9. p.)COTTON H. ELECTRICAL TECHNOLOGY. 7 ed. CBS PUBLISHERS & DISTRIBUTORS, 2005.
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