Jauch, Lawrence R.
McGraw-Hill, 1988
Buku Teks
Boulton, William R.
Macmillan, 1984
Buku Teks
Verardo, Denzil
[American Society for Training and Development Press, American Society for Training and Development Press], 1999
eBooks
Johnston, Robert E.
American Management Association, 2003
eBooks
Johnston, Robert E.
American Management Association;, 2013
eBooks