Greeno, Nathan J., author
American Society for Training & Development, 2006
eBooks
Laskey, Marcia L., author
Allyn and Bacon, 1997
Buku Teks
Czerniawski, Gerry, author
Open University Press, 2013
Buku Teks
Cass, John, author
Elsevier, 2007
Buku Teks
[compiled by] John A. Pearce II, Richard B. Robinson, Jr.
McGraw-Hill, 1987
Buku Teks