DUTTA, B. N. (2012). Estimating and costing in civil engineering: : theory and practice, including specifications and valuations. UBS Publishers.
Lua i Stíl Chicago (17ú heag.)DUTTA, B. N. Estimating and Costing in Civil Engineering: : Theory and Practice, Including Specifications and Valuations. UBS Publishers, 2012.
Lua MLA (9ú heag.)DUTTA, B. N. Estimating and Costing in Civil Engineering: : Theory and Practice, Including Specifications and Valuations. UBS Publishers, 2012.
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