Ferguson, Matt, author
McGraw-Hill, 2014
Buku Teks
Sheridan, Kevin, author
McGraw-Hill, 2012
Buku Teks
Communications Department, ASTD
American Society for Training & Development, 2010
eBooks
Lawler, Edward E., author
JOSSEY - BASS, 2008
Buku Teks
Atwood, Christee Gabour, author
American Society for Training & Development, 2009
eBooks