एपीए उद्धरण

Environmental Engineering Division Board. Journal of the Institution of Engineers (India). Environmental Engineering Division Board.

शिकागो स्टाइल उद्धरण

Environmental Engineering Division Board. Journal of the Institution of Engineers (India). India: Environmental Engineering Division Board.

एमएलए उद्धरण

Environmental Engineering Division Board. Journal of the Institution of Engineers (India). Environmental Engineering Division Board.