Singh, R. B., & Mal, S. (2009). Environmental change and biodiversity. Rawat.
Chicago Style aipamenaSingh, R. B., and Suraj Mal. Environmental Change and Biodiversity. New Delhi: Rawat, 2009.
MLA aipamenaSingh, R. B., and Suraj Mal. Environmental Change and Biodiversity. Rawat, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.