Pred, A. R. (1973). Urban growth and the circulation of information: The United States systems of cities, 1709-1840. Harvard University Press.
Chicago-referens (17:e uppl.)Pred, Allan Richard. Urban Growth and the Circulation of Information: The United States Systems of Cities, 1709-1840. Cambridge, Mass: Harvard University Press, 1973.
MLA-referens (9:e uppl.)Pred, Allan Richard. Urban Growth and the Circulation of Information: The United States Systems of Cities, 1709-1840. Harvard University Press, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.