Chhatwal, G. R., & Pandey. D.K. Nanda. K.K. (1990). Encylopaedic Dictionary of Environment. Anmol.
Chicago Edition CitationChhatwal, Gurdeep R., i Pandey. D.K. Nanda. K.K. Encylopaedic Dictionary of Environment. New Delhi: Anmol, 1990.
Cita MLAChhatwal, Gurdeep R., i Pandey. D.K. Nanda. K.K. Encylopaedic Dictionary of Environment. Anmol, 1990.
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