Kogan Page, 1993
Buku Teks
Page, Stephen J.
Elsevier , 2009
Buku Teks
Jick, Todd D., author
McGraw-Hill, 2011
Buku Teks
Payne, Vivette, author
[American Management Association;, ], 2005
eBooks
by Claude S. George, Don Collins, Bruce Gill, and Joseph L. Massie
Prentice-Hall, 1979
Buku Teks