Collins, J. (2002). Built to Last. Collins Business.
Lua i Stíl Chicago (17ú heag.)Collins, James. Built to Last. Collins Business, 2002.
Lua MLA (9ú heag.)Collins, James. Built to Last. Collins Business, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.