Παραπομπή APA

Smith, G. W. (1979). Engineering economy: Analysis of capital expenditures (3d ed.). Ames: Iowa State University Press.

Παραπομπή Chicago Style

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 3d ed. Ames: Iowa State University Press, 1979.

Παραπομπή MLA

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 3d ed. Ames: Iowa State University Press, 1979.

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