PILCHER, R. (1992). Principles Of Construction Management Roy Pilcher. The McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)PILCHER, Roy. Principles Of Construction Management Roy Pilcher. The McGraw-Hill, 1992.
Lua MLA (8ú heag.)PILCHER, Roy. Principles Of Construction Management Roy Pilcher. The McGraw-Hill, 1992.
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