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Lua i Stíl Chicago (17ú heag.)MASTERMAN, J.W.E. An Introduction To Building Procurement Systems J.w.e Masterman. E & FN, 1992.
Lua MLA (8ú heag.)MASTERMAN, J.W.E. An Introduction To Building Procurement Systems J.w.e Masterman. E & FN, 1992.
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