Arpaio, Joe, 1932- , author
American Management Association, 2008
eBooks
Buzo, Alex
Penguin Books, 1988
Buku Teks
Jacoby, Tamar, author
The Free Press , 1998
Buku Teks
Isbister, John
Kumarian Press, 1996
Buku Teks
Morris, Rick A., 1972- , author
American Management Association;, 2008
eBooks