2010 Joint Rail Conference, Volume 2. ASME.
Lua i Stíl Chicago (17ú heag.)2010 Joint Rail Conference, Volume 2. ASME.
Lua MLA (9ú heag.)2010 Joint Rail Conference, Volume 2. ASME.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.