THERAJA B L. (1959). TEXTBOOK OF ELECTRICAL TECHNOLOGY-VOL. II (3 RD ED.). SULTAN CHAND AND SONS.
Cita Chicago (17th ed.)THERAJA B L. TEXTBOOK OF ELECTRICAL TECHNOLOGY-VOL. II. 3 RD ED. NEW DELHI: SULTAN CHAND AND SONS, 1959.
Cita MLA (9th ed.)THERAJA B L. TEXTBOOK OF ELECTRICAL TECHNOLOGY-VOL. II. 3 RD ED. SULTAN CHAND AND SONS, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.