Garber, Peter R., author
ASTD Press, 2011
Buku Teks
Minor, Marianne, author
PPM, 2005
Buku Teks
Dhiana Syamsiah, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Payne, Vivette, author
[American Management Association;, ], 2007
eBooks
Haneberg, Lisa, author
American Society for Training & Development, 2006
eBooks