Gutkind, E. A. (1972). Urban development in East-Central Europe: Poland, Czechoslovakia, and Hungary. Free Press.
Chicago-referens (17:e uppl.)Gutkind, Erwin Anton. Urban Development in East-Central Europe: Poland, Czechoslovakia, and Hungary. New York: Free Press, 1972.
MLA-referens (9:e uppl.)Gutkind, Erwin Anton. Urban Development in East-Central Europe: Poland, Czechoslovakia, and Hungary. Free Press, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.