Desouza, Kevin C, author
Hampshire, 2005
Buku Teks
Tiwana, Amrit
New york, 1999
Buku Teks
Newman, Amy, author
[American Society for Training & Development Press, American Society for Training & Development Press], 1999
eBooks
Bergeron, Bryan P., author
Wiley, 2003
Buku Teks
Becerra-Fernandez, Irma, author
Prentice-Hall, 2004
Buku Teks