Wilbur Smith and Associates. (1961). Future highways and urban growth. Wilbur Smith and Associates.
Lua i Stíl Chicago (17ú heag.)Wilbur Smith and Associates. Future Highways and Urban Growth. New Haven, Conn.: Wilbur Smith and Associates, 1961.
Lua MLA (8ú heag.)Wilbur Smith and Associates. Future Highways and Urban Growth. Wilbur Smith and Associates, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.