Lua APA (7ú heag.)
Thuesen, G., & Fabrycky, W. (2001). Engineering Economy (9th ed.). Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)
Thuesen, G.J, agus W.J Fabrycky. Engineering Economy. 9th ed. New Jersey: Prentice-Hall of India, 2001.
Lua MLA (9ú heag.)
Thuesen, G.J, agus W.J Fabrycky. Engineering Economy. 9th ed. Prentice-Hall of India, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.