Kaiser, Edward John, author
University of Illinois Press, 1995
Buku Teks
Guttenberg, Albert Z.
University of Illinois Press, 1993
Buku Teks
edited Robert W. Burchell and George Sternlieb
Center for Urban Policy Research, 1981
Buku Teks
Chapin, F. Stuart (Francis Stuart), 1916-, author
University of Illinois Press, 1979
Buku Teks
Hall, Kenneth B., author
McGraw-Hill, 1995
Buku Teks