APA-referens (7:e uppl.)

Rannells, J. (1956). The core of the city: A pilot study of changing land uses in central business districts. Columbia University Press.

Chicago-referens (17:e uppl.)

Rannells, John. The Core of the City: A Pilot Study of Changing Land Uses in Central Business Districts. Westport, Conn: Columbia University Press, 1956.

MLA-referens (9:e uppl.)

Rannells, John. The Core of the City: A Pilot Study of Changing Land Uses in Central Business Districts. Columbia University Press, 1956.