Gold, H. (2002). Urban life and society. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Gold, Harry. Urban Life and Society. Upper Saddle River, N.J.: Prentice Hall, 2002.
Lua MLA (8ú heag.)Gold, Harry. Urban Life and Society. Prentice Hall, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.