Dearden, John, 1919-2004
Prentice-Hall, 1962
Buku Teks
editor, Cat Sharpe
[American Society for Training and Development Press, American Society for Training and Development Press], 1997
eBooks
Hirsch, Maurice L., author
PWS-KENT, 1986
Buku Teks
Ostwald, Philip F., author
Pearson - Prentice Hall, 2004
Buku Teks
Stiner, Frederic M., author
Kent Publishing, 1986
Buku Teks