Loinda K. Stroh, J. Steward Balck, Mark E. Mendenhall
Mahwah, 2005
Buku Teks
Lawson, Karen, author
American Society for Training & Development, 2009
eBooks
Russell, Lou, author
ATD Press, 2015
Buku Teks
Bambang Widyastomo, author
Fakultas Psikologi Universitas Indonesia, 2002
UI - Tesis Membership
McIntosh, Perry, author
[American Management Association;, ], 2011
eBooks