एपीए उद्धरण

(2014). UPSC-Engineering Services Examination: Electrical engineering, Papers I and II 1999-2013. G K Publications.

शिकागो स्टाइल उद्धरण

UPSC-Engineering Services Examination: Electrical Engineering, Papers I and II 1999-2013. Noida: G K Publications, 2014.

एमएलए उद्धरण

UPSC-Engineering Services Examination: Electrical Engineering, Papers I and II 1999-2013. G K Publications, 2014.