1.
Gardner J. The wrongness of rape. In: Offences and Defences : Selected Essays in the Philosophy of Criminal Law. Oxford University Press; 2007:1-32.
2.
Fried, Charles. Contract as promise (chapter 2). In: Contract as Promise: A Theory of Contractual Obligation. Harvard University Press; 1981:7-27.
3.
Raz J. Promises and obligations (chapter 12). In: Law, Morality and Society: Essays in Honour of H.L.A. Hart. Clarendon Press; 1977:210-228.
4.
Kimel, Dori. The nature and value of contractual relations. In: From Promise to Contract: Towards a Liberal Theory of Contract. Hart; 2003.