APA
Misra S., . (2008). Essential environmental studies. Ane Books, New Dehli: .
Chicago
Misra S.P, . 2008. Essential environmental studies. Ane Books, New Dehli: .
Harvard
Misra S., . (2008). Essential environmental studies. Ane Books, New Dehli: .
MLA
Misra S.P, . Essential environmental studies. Ane Books, New Dehli: . 2008.