Bruce, Anne
American Society for Training & Development Press, 2001
eBooks
Sears, Barry
Regan Books, 1995
Buku Teks
Katzung, Bertram G.
McGraw-Hill, 2003
Buku Teks
Harvard Business School Press, 2004
Buku Teks
Thomas, Susan J.
[American Society for Training and Development Press;, ], 2004
eBooks