American Society of Civil Engineers Board of Direction. (2015). Journal of the Board of Direction. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)American Society of Civil Engineers Board of Direction. Journal of the Board of Direction. Ann Arbor, Mich: American Society of Civil Engineers, 2015.
Lua MLA (8ú heag.)American Society of Civil Engineers Board of Direction. Journal of the Board of Direction. American Society of Civil Engineers, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.