Krupat, E. (1985). People in cities: The urban environment and its effects. Cambridge University Press.
Chicago-referens (17:e uppl.)Krupat, Edward. People in Cities: The Urban Environment and Its Effects. New York: Cambridge University Press, 1985.
MLA-referens (9:e uppl.)Krupat, Edward. People in Cities: The Urban Environment and Its Effects. Cambridge University Press, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.