Levy, John M.
Prentice-Hall, 1991
Buku Referensi
Cohen, Nahoum
McGraw-Hill , 2001
Multimedia
Hall, Peter
Routledge, 1992
Buku Teks
American Planning Association ; editor, Frederick R. Steiner, Kent Butler
John Wiley & Sons, 2007
Buku Teks SO
Cohen, Nahoum
McGraw-Hill, 2001
Buku Teks SO