Frohlich, B. (2002). Concrete architecture: Design and construction. Birkhauser.
Lua i Stíl Chicago (17ú heag.)Frohlich, Burkhard. Concrete Architecture: Design and Construction. Basel: Birkhauser, 2002.
Lua MLA (9ú heag.)Frohlich, Burkhard. Concrete Architecture: Design and Construction. Birkhauser, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.