Cita APA (7a ed.)
Riggs, J. L., Bedworth, D. D., & Randhawa, S. U. (2009). Engineering economics (4th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Riggs, James L., David D. Bedworth, y Sabah U. Randhawa. Engineering Economics. 4th ed. New York: McGraw-Hill, 2009.
Cita MLA (9a ed.)
Riggs, James L., et al. Engineering Economics. 4th ed. McGraw-Hill, 2009.
Precaución: Estas citas no son 100% exactas.