Park, C. S. (1997). Contemporary engineering economics. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Park, Chan S. Contemporary Engineering Economics. Addison-Wesley, 1997.
Lua MLA (8ú heag.)Park, Chan S. Contemporary Engineering Economics. Addison-Wesley, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.