Gibson, John E.
John Wiley & Sons, 1981
Buku Teks
John Wiley & Sons, 1983
Buku Teks
Howard, Keith
MCB University Press, 1990
Buku Referensi
Waagen, Alice K.
American Society for Training and Development Press, 2000
eBooks
Cheney, Scott
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks