Wheelan, Susan A.
Sage, 1999
Buku Teks
editor, Cat Sharpe
[American Society for Training and Development Press, American Society for Training and Development Press], 1999
eBooks
Hayes, Philip, author
McGraw-Hill, 2011
Buku Teks
Gaines, Kathryn, author
American Society for Training & Development, 2006
eBooks
Belbin, R. Meredith
Heinemann, 1983
Buku Teks