1
by Eitzen, D. Stanley
Published 1993
2
Published 1990
3
by Gilbert, Dennis A.
Published 1988
4
by Naisbitt, John
Published 1990
5
by Bok, Derek Curtis
Published 1996
6
by Neuzil, Mark
Published 1996
7
by Moore, Michael, 1954 April 23-
Published 2002