(2000). The livable city. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)The Livable City. McGraw-Hill, 2000.
Lua MLA (8ú heag.)The Livable City. McGraw-Hill, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)