1
by Pride, William M.
Published 2006
2
3
by Ries, Al.
Published 1986
4
by Pride, William M.
Published 2003
5
by Kotler, Philip
Published 2008
6
7
8
9
10
11
by Jefkins, Frank
Published 1989
12
Published 1997
13
by White,Sarah
Published 1997
14
by Boone, Louis E.
Published 1998
15
by Bovee, Courtland L.
Published 1995
16
17
by Magrath, Alan J.
Published 1990
18
by Rogers, Len
Published 1992
19
20
by Oliver, Gordon
Published 1995