Lua APA (7ú heag.)
Peel, E., & Treitel, G. H. (2015). The law of contract (Fourteenth edition.). Sweet & Maxwell : Thomson Reuters.
Lua i Stíl Chicago (17ú heag.)
Peel, Edwin, agus G. H. Treitel. The Law of Contract. Fourteenth edition. London: Sweet & Maxwell : Thomson Reuters, 2015.
Lua MLA (9ú heag.)
Peel, Edwin, agus G. H. Treitel. The Law of Contract. Fourteenth edition. Sweet & Maxwell : Thomson Reuters, 2015.
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