Twentieth Century Fund. Task Force on Governance of New Towns & Hanson, R. (1971). New towns: Laboratories for democracy report. Twentieth Century Fund.
Lua i Stíl Chicago (17ú heag.)Twentieth Century Fund. Task Force on Governance of New Towns agus Royce Hanson. New Towns: Laboratories for Democracy Report. New York: Twentieth Century Fund, 1971.
Lua MLA (9ú heag.)Twentieth Century Fund. Task Force on Governance of New Towns agus Royce Hanson. New Towns: Laboratories for Democracy Report. Twentieth Century Fund, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.