SMITH, G. W. (1979). Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres.
Chicago-referens (17:e uppl.)SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.
MLA-referens (8:e uppl.)SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.
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