Dyfyniad APA

Smith, G. W. (1973). Engineering economy: Analysis of capital expenditures (2nd ed.). Iowa State University Press.

Dyfyniad Arddull Chicago

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 2nd ed. Ames: Iowa State University Press, 1973.

Dyfyniad MLA

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 2nd ed. Iowa State University Press, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.