Brotruck, T. (2007). Basics roof construction. Birkhauser.
Lua i Stíl Chicago (17ú heag.)Brotruck, Tanja. Basics Roof Construction. Birkhauser, 2007.
Lua MLA (8ú heag.)Brotruck, Tanja. Basics Roof Construction. Birkhauser, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.