1. Bair J, editor. Frontiers of commodity chain research. Stanford: Stanford University Press; 2009.
2. Bales K, Trodd Z, Williamson AK. Modern slavery: the secret world of 27 million people. Oxford: Oneworld; 2009.
3. Banaji J. The fictions of free labour: contract, coercion and so-called unfree labour. Hist Mater. 2003;11(3):69–95.
4. Barrientos S, Gereffi G, Rossi A. Economic and social upgrading in global production networks: developing a framework for analysis. Capturing the Gains Working Papers 2010/03. Manchester: University of Manchester; 2010.
5. Bernstein H, editor. The food question: profits vs. people. London: Earthscan; 1990.