Thesson H.G. (1995). Engineering Economics. Prentic Hall.
Lua i Stíl Chicago (17ú heag.)Thesson H.G. Engineering Economics. New Delhi: Prentic Hall, 1995.
Lua MLA (9ú heag.)Thesson H.G. Engineering Economics. Prentic Hall, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.