Ayres, I., & Ian Ayres. (2012). Studies in contract law (8th ed.). Foundation Press.
Lua i Stíl Chicago (17ú heag.)Ayres, Ian, agus Ian Ayres. Studies in Contract Law. 8th ed. New York: Foundation Press, 2012.
Lua MLA (9ú heag.)Ayres, Ian, agus Ian Ayres. Studies in Contract Law. 8th ed. Foundation Press, 2012.
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