(1980). Sign, Symbols, And Architecture. Pitman Press.
Lua i Stíl Chicago (17ú heag.)Sign, Symbols, And Architecture. Pitman Press, 1980.
Lua MLA (8ú heag.)Sign, Symbols, And Architecture. Pitman Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.