1
J. Gardner, in Offences and defences : selected essays in the philosophy of criminal law, Oxford University Press, Oxford, 2007, pp. 1–32.
2
Fried, Charles, in Contract as promise: a theory of contractual obligation, Harvard University Press, Cambridge, Mass, 1981, pp. 7–27.
3
J. Raz, in Law, morality and society: essays in honour of H.L.A. Hart, Clarendon Press, Oxford, 1977, pp. 210–228.
4
Kimel, Dori, in From promise to contract: towards a liberal theory of contract, Hart, Oxford, 2003.