एपीए उद्धरण

S.P.Misra & S.N.Pandey. (2009). Essential environmental studies. Ane Books.

शिकागो स्टाइल उद्धरण

S.P.Misra और S.N.Pandey. Essential Environmental Studies. New Delhi: Ane Books, 2009.

एमएलए उद्धरण

S.P.Misra और S.N.Pandey. Essential Environmental Studies. Ane Books, 2009.