Não informado. (1902). Engineering News: A journal of civil engineering and construction. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering News: A Journal of Civil Engineering and Construction. New York: McGraw-Hill, 1902.
Lua MLA (8ú heag.)Não informado. Engineering News: A Journal of Civil Engineering and Construction. McGraw-Hill, 1902.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.