Webb, M. (1990). The City Square Michael Webb. Thames and Hudson.
Lua i Stíl Chicago (17ú heag.)Webb, Michael. The City Square Michael Webb. Thames and Hudson, 1990.
Lua MLA (8ú heag.)Webb, Michael. The City Square Michael Webb. Thames and Hudson, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.