Parsons, T. (1855). The law of contracts (2nd ed.). Little, Brown.
Lua i Stíl Chicago (17ú heag.)Parsons, Theophilus. The Law of Contracts. 2nd ed. Boston: Little, Brown, 1855.
Lua MLA (8ú heag.)Parsons, Theophilus. The Law of Contracts. 2nd ed. Little, Brown, 1855.
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