SIMONDS, J. O. (1994). Garden Cities 21 Creating A Livble Urban Environment John Ormsbee Simonds, Fasla. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SIMONDS, John Ormsbee. Garden Cities 21 Creating A Livble Urban Environment John Ormsbee Simonds, Fasla. McGraw-Hill, 1994.
Lua MLA (8ú heag.)SIMONDS, John Ormsbee. Garden Cities 21 Creating A Livble Urban Environment John Ormsbee Simonds, Fasla. McGraw-Hill, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.