(2014). UPSC-Engineering Services Examination: Electrical engineering, Papers I and II 1999-2013. G K Publications.
Chicago Edition CitationUPSC-Engineering Services Examination: Electrical Engineering, Papers I and II 1999-2013. Noida: G K Publications, 2014.
MLA引文UPSC-Engineering Services Examination: Electrical Engineering, Papers I and II 1999-2013. G K Publications, 2014.
警告:這些引文格式不一定是100%准確.