Elaine Biech, editor
American Society for Training & Development, 2010
eBooks
Neal, Annmarie, author
American Society for Training & Development, 2012
eBooks
Neustadt, Richard E., author
John Wiley & Sons, 1961
Buku Teks
Goldberg, David E., author
McGraw-Hill , 1995
Buku Teks
Clark, Rory McDowall, author
McGraw-Hill, 2012
Buku Teks