THERAJA B L. (2003). TEXTBOOK OF ELECTRICAL TECHNOLOGY VOL. II. S CHAND AND COMPANY LTD.
Lua i Stíl Chicago (17ú heag.)THERAJA B L. TEXTBOOK OF ELECTRICAL TECHNOLOGY VOL. II. NEW DELHI: S CHAND AND COMPANY LTD, 2003.
Lua MLA (9ú heag.)THERAJA B L. TEXTBOOK OF ELECTRICAL TECHNOLOGY VOL. II. S CHAND AND COMPANY LTD, 2003.
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