American Society of Civil Engineers. Civil engineering. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)American Society of Civil Engineers. Civil Engineering. New York, N.Y: American Society of Civil Engineers.
Lua MLA (8ú heag.)American Society of Civil Engineers. Civil Engineering. American Society of Civil Engineers.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.