APA (7e ed.) Bronvermelding

SMITH, G. W. (1979). Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres.

Chicago (17e ed.) Bronvermelding

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.

MLA (8e ed.) Bronvermelding

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.