1. ADB (Asian Development Bank). (1997). Asian Development Bank policy on fisheries. Manila: ADB.
2. Andelson, R. V. (1991). Commons without tragedy. Savage, MD/London: Barnes and Noble Books/Shepheard-Walwyn Ltd.
3. Azar, O. H. (2003). The social norm of tipping: a review. http://129.3.20.41/eps/othr/papers/0309/0309006.pdf . Accessed 18 Dec 2009.
4. Baird, I. G. (2001). Aquatic biodiversity in the Siphandone wetlands. In G. Daconto (Ed.), Siphandone Wetlands. Environmental protection and community development in Siphandone Wetland Project (pp. 61–74). Bergamo: CESVI.
5. Baird, I. G. (2006). Strength in diversity: Fish sanctuaries and deep-water pools in Laos. Fisheries Management and Ecology, 13(1), 1–8.