(2002). Journal of Proffesional Issues in Engineering Education and Practice 2002. ASCE.
Lua i Stíl Chicago (17ú heag.)Journal of Proffesional Issues in Engineering Education and Practice 2002. ASCE, 2002.
Lua MLA (8ú heag.)Journal of Proffesional Issues in Engineering Education and Practice 2002. ASCE, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.