TURNER, D. F. (1994). Building Contracts A Practical Guide Dennis F Turner. Longman Sciebtific & Technical.
Lua i Stíl Chicago (17ú heag.)TURNER, Dennis F. Building Contracts A Practical Guide Dennis F Turner. Longman Sciebtific & Technical, 1994.
Lua MLA (8ú heag.)TURNER, Dennis F. Building Contracts A Practical Guide Dennis F Turner. Longman Sciebtific & Technical, 1994.
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