Conference on Conservation and Development: Implementing the World Conservation Strategy, World Congress of Ecology, International Union for Conservation of Nature and Natural Resources, & Berkes, F. (1989). Common property resources: Ecology and community-based sustainable development. Belhaven Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConference on Conservation and Development: Implementing the World Conservation Strategy, World Congress of Ecology, International Union for Conservation of Nature and Natural Resources, और Fikret Berkes. Common Property Resources: Ecology and Community-based Sustainable Development. London ; New York: Belhaven Press, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रConference on Conservation and Development: Implementing the World Conservation Strategy, et al. Common Property Resources: Ecology and Community-based Sustainable Development. Belhaven Press, 1989.