Παραπομπή APA

Rajagopalan, R. (2011). Environmental studies: : from crisis to cure (2nd ed.). Oxford University Press.

Παραπομπή Chicago Style

Rajagopalan, R. Environmental Studies: : From Crisis to Cure. 2nd ed. N.Delhi: Oxford University Press, 2011.

Παραπομπή MLA

Rajagopalan, R. Environmental Studies: : From Crisis to Cure. 2nd ed. Oxford University Press, 2011.