Cita APA (7th ed.)

DeGarmo, E. P. (1997). Engineering economy (10th ed.). Prentice Hall.

Cita Chicago (17th ed.)

DeGarmo, Ernest Paul. Engineering Economy. 10th ed. Upper Saddle River, NJ: Prentice Hall, 1997.

Cita MLA (9th ed.)

DeGarmo, Ernest Paul. Engineering Economy. 10th ed. Prentice Hall, 1997.