Taylor, James, author
American Management Association, 2006
eBooks
Barker, Stephen, author
Pearson, 2012
Buku Teks
Dinsmore, Paul C., author
Amacom, 2012
Buku Teks
Kendrick, Tom, author
Amacom, 2011
Buku Teks
Cagle, Ronald B., author
[American Management Association, ], 2003
eBooks