PEURIFOY, R. (2012). CONSTRUCTION PLANNING, EQUIPMENT AND METHODS (7TH.). TATA MCGRAW HILL.
Lua i Stíl Chicago (17ú heag.)PEURIFOY, ROBERT.L. CONSTRUCTION PLANNING, EQUIPMENT AND METHODS. 7TH. NEW DELHI: TATA MCGRAW HILL, 2012.
Lua MLA (9ú heag.)PEURIFOY, ROBERT.L. CONSTRUCTION PLANNING, EQUIPMENT AND METHODS. 7TH. TATA MCGRAW HILL, 2012.
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