Robbins, Harvey.
Berrett-Koehler, 2000
Buku Teks
Baron, Eric, author
Wiley, 2013
Buku Teks
Deeprose, Donna, author
[American Management Association, ], 2001
eBooks
Miller, Brian Cole, author
[American Management Association;, ], 2010
eBooks
Harrington-Mackin, Deborah, author
Tian Xia Wen Hua, 1995
Buku Teks