LEE, S. T. (2011). Willis's element of quantity surveying. Wiley-Blackwell.
Chicago-čujuhus (17. p.)LEE, Sandra Trench. Willis's Element of Quantity Surveying. Wiley-Blackwell, 2011.
MLA-čujuhus (9. p.)LEE, Sandra Trench. Willis's Element of Quantity Surveying. Wiley-Blackwell, 2011.
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