The Chipko MovementPolitics in the developing world: a concise introduction, by Jeffrey Haynes. Published by Wiley-Blackwell, 2002. ISBN0-631-22556-0. Page 229.
Chipko MovementThe Future of the Environment: The Social Dimensions of Conservation and Ecological Alternatives, by David C. Pitt. Published by Routledge, 1988. ISBN0-415-00455-1. Page 112.