Tiwana, Amrit
Prentice-Hall, 2000
Buku Teks SO
Desouza, Kevin C
Hampshire, 2005
Buku Teks
Newman, Amy
[American Society for Training & Development Press, American Society for Training & Development Press], 1999
eBooks
Bergeron, Bryan P.
Wiley, 2003
Buku Teks SO
Becerra-Fernandez, Irma
Prentice-Hall, 2004
Multimedia