APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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