Lua APA (7ú heag.)
Prestreessed concrete structures / Komendant, August E: McGraw Hill.
Lua i Stíl Chicago (17ú heag.)
Prestreessed Concrete Structures / Komendant, August E: McGraw Hill.
Lua MLA (9ú heag.)
Prestreessed Concrete Structures / Komendant, August E: McGraw Hill.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.