Enrichment. Clarendon Law Series. New York: Oxford University Press. 2005. ISBN 0-19-927697-8. Stoljar SJ The Law of Quasi-contract (2nd ed) 1989 契約 無因管理
that the "reliance measure" ought to be the proper one in "not quite" contracts, e.g. where there is a misunderstanding as to the terms of the contract.