Kaplan, Robert S., author
Erlangga, 2000
Buku Teks
Hannabarger, Charles, author
Wiley Publishing, Inc, 2007
Buku Teks
Niven, Paul, author
Elekmedia Computindo, 2005
Buku Teks
Novak, Clare, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
eBooks
Amin Widjaja Tunggal, author
Harvarindo, 2000
Buku Teks