Toffler, Alvin
Bantam Books, 1990
Buku Teks
Edited by Kevin McConway and Basiro Davey
Open UNiversity Press, 2003
Buku Teks
edited by Ivor F. Goodson
Routledge, 1992
Buku Teks
Lee, Kim Chew
ISEAS Publishing, Singapore : Mainland Press, 2015
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Giles, Judy
Blacwell Publisher, 2008
Buku Teks