Castells, Manuel, author
Routledge, 1994
Buku Teks
1993
Buku Teks
Vesterman, William
[publisher not identified], [date of publication not identified]
Buku Teks
Bagley, Constance E., author
South Western Cengage Learning, 2013
Buku Teks
Stamatis, Diomidis H.
CRC Press, 2012
Buku Teks