Stern, Scott D.C., author
McGraw-Hill , 2015
Buku Teks
Clark, Ruth Colvin, author
American Society for Training & Development, 2010
eBooks
Ruth Colvin Clark
ASTD Press, 2010
Buku Teks
Rubin, Allen, author
John Wiley & Sons, 2012
Buku Teks
Janet Houser, Kathleen S. Oman, editor
Jones and Bartlett , 2011
Buku Teks