(2006). Journal of management in engineering April-Oktober 2006. ASCE.
Lua i Stíl Chicago (17ú heag.)Journal of Management in Engineering April-Oktober 2006. ASCE, 2006.
Lua MLA (8ú heag.)Journal of Management in Engineering April-Oktober 2006. ASCE, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.