1. Anderson, K. 2009. Political Economy of Distortions to Agricultural Incentives: Introduction and Summary, Agricultural Distortions Working Paper 91, May. Washinghton: World Bank.
2. Baracuhy, B. 2011. Brazilian Economic Diplomacy: Agriculture and the WTO. In The New Economic Diplomacy: Decision-Making and Negotiation in International Economic Relations, ed. S. Woolcock and N. Bayne, 341–358. Aldershot: Ashgate.
3. Bhaskar, R. 1978. The Possibility of Naturalism. London: Routledge.
4. Bhaskar, R. 1987. Scientific Realism and Human Emancipation. London: Verso.
5. Bhaskar, R. 1991. Philosophy and the Idea of Freedom. Oxford, Cambridge: Blackwell.