Chitkara, M. (1998). Encyclopaedia of ecology, environment and pollution: Vol-vii the Himalayas. APH Publishing.
Chicago Edition CitationChitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-vii the Himalayas. New Delhi: APH Publishing, 1998.
MLA Edition CitationChitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-vii the Himalayas. APH Publishing, 1998.
Warning: These citations may not always be 100% accurate.