Walker, James W., author
McGraw-Hill , 1980
Buku Teks
Caruth, Donald L., author
Praeger, 2009
Buku Teks
Wiley , 2014
Buku Teks
Gilley, Jerry W., author
American Society for Training & Development, 1992
eBooks
Gilley, Jerry W., author
[American Society for Training and Development Press, American Society for Training and Development Press], 1998
eBooks