एपीए उद्धरण

Mishra, P. K. Upkar's objective electrical engineering. Upkar prakashan.

शिकागो स्टाइल उद्धरण

Mishra, P K. Upkar's Objective Electrical Engineering. Agra: Upkar prakashan.

एमएलए उद्धरण

Mishra, P K. Upkar's Objective Electrical Engineering. Upkar prakashan.