एपीए उद्धरण

(2011). GATE 2012: Civil engineering. Koncept books.

शिकागो स्टाइल उद्धरण

GATE 2012: Civil Engineering. Dehradun: Koncept books, 2011.

एमएलए उद्धरण

GATE 2012: Civil Engineering. Koncept books, 2011.