Rannells, J. (1956). The core of the city: A pilot study of changing land uses in central business districts. Columbia University Press.
Lua i Stíl Chicago (17ú heag.)Rannells, John. The Core of the City: A Pilot Study of Changing Land Uses in Central Business Districts. Westport, Conn: Columbia University Press, 1956.
Lua MLA (9ú heag.)Rannells, John. The Core of the City: A Pilot Study of Changing Land Uses in Central Business Districts. Columbia University Press, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.