APA
Rajagopalan R., . (2016). Environmental Studies. : N.Delhi,Oxford Uni. Press.
Chicago
Rajagopalan R, . 2016. Environmental Studies. : N.Delhi,Oxford Uni. Press.
Harvard
Rajagopalan R., . (2016). Environmental Studies. : N.Delhi,Oxford Uni. Press.
MLA
Rajagopalan R, . Environmental Studies. : N.Delhi,Oxford Uni. Press. 2016.