Lua APA (7ú heag.)
Essential of bridge engineering / Victor, D. Johnson: Oxford & IBH 3rd ed (3rd ed.).
Lua i Stíl Chicago (17ú heag.)
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
Lua MLA (9ú heag.)
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.