ب. فرانسوی
                                                                                                                Flour Jacques, Jean-Luc. Aubert et Eric Savaux, (2002), Les Obligations, Paris: SIREY.
                                                                                                                Marty Gabriel et Pierre Raynaud, (1988), Les Obligations, Tome I, Paris: SIREY.
                                                                                                                ج. انگلیسی
                                                                                                                Hart, Herbert Lionel Adolphus (1983) Essays on Jurisprudence and Philosophy, Oxford: Clarendon Press.
                                                                                                                Patterson Edwin Wilhite (1943) "Compulsory Contracts in the Crystal Ball", Columbia Law Review, Vol. 43, No. 5, pp. 731-749.
                                                                                                                Pratt, John (2004) Penal Populism. London: Routledge.
                                                                                                                Lenhoff Arthur (1943) "The Scope of Compulsory Contracts Proper", Columbia Law Review, Vol. 43, No. 5, pp 589-602.