Murray, J. E. (1990). Murray On Contracts John Edward Murray. The Michie Company.
Lua i Stíl Chicago (17ú heag.)Murray, John Edward. Murray On Contracts John Edward Murray. The Michie Company, 1990.
Lua MLA (8ú heag.)Murray, John Edward. Murray On Contracts John Edward Murray. The Michie Company, 1990.
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