Geschwinder, L. F. (2008). Unified design of sructures. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Geschwinder, Louis F. Unified Design of Sructures. John Wiley & Sons, 2008.
Lua MLA (8ú heag.)Geschwinder, Louis F. Unified Design of Sructures. John Wiley & Sons, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.