Oxford University Press. 1999. ISBN 0-19-874200-2. Rice, James Mahmud; RobertE. Goodin, Antti Parpo. The Temporal Welfare State: A Crossnational Comparison
David Gauthier, Morals By Agreement (Oxford: Clarendon Press, 1986). RobertE. Goodin & Philip Pettit eds, Contemporary Political Philosophy: An anthology