Kush, Brian D., author
John Wiley & Sons, 2009
Buku Teks
Hamers, Richard David, author
JOSSEY - BASS, 2007
Buku Teks
Charney, Cyril, author
American Management Association, 2006
eBooks
Mattone, John, author
[American Management Association, ], 2013
eBooks
Topchik, Gary S., author
[American Management Association;, ], 2004
eBooks