1. [2] Davies, B., Blackstock, K., Brown, K. and Shannon, P., Challenges in Creating Local Agri-environmental Cooperation Action amongst Farmers and Other Stakeholders, The Macaulay Institute, Aberdeen, 2004.
2. [9] OECD, Providing Agri-environmental Public Goods through Collective Action, OECD Publishing, Paris, 2013.
3. [10] Ostrom, E., Governing the Commons: The Evolution of Institutions for Collective Action, Cambridge University Press, New York, 1990.