Lua APA (7ú heag.)
Riggs, J. L., & Bedworth, D. D. (2011). Engineering economics (4th ed.). Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Riggs, James L., agus David D/Randhawa Bedworth. Engineering Economics. 4th ed. New Delhi: Tata McGraw-Hill, 2011.
Lua MLA (9ú heag.)
Riggs, James L., agus David D/Randhawa Bedworth. Engineering Economics. 4th ed. Tata McGraw-Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.