Congleton, J, M, B, B, J, M, B, P, J, M, B, R, D.(1998).Politics by Principle, Not Interest .:Cambridge University Press.
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Congleton, James, M., Buchanan;, Buchanan;, James, McGill, Buchanan;, Professor, James, M, Buchanan;, Roger, D.."Politics by Principle, Not Interest".:Cambridge University Press,1998.Text.