एपीए उद्धरण

(2012). PSUs: Practice book : electroncis engineering. Made Easy.

शिकागो स्टाइल उद्धरण

PSUs: Practice Book : Electroncis Engineering. New Delhi: Made Easy, 2012.

एमएलए उद्धरण

PSUs: Practice Book : Electroncis Engineering. Made Easy, 2012.