Sjoberg, G. (1960). The preindustrial city, past and present. Free Press.
Lua i Stíl Chicago (17ú heag.)Sjoberg, Gideon. The Preindustrial City, Past and Present. Glencoe, Ill: Free Press, 1960.
Lua MLA (9ú heag.)Sjoberg, Gideon. The Preindustrial City, Past and Present. Free Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.