Larry Israelite, editor
American Society for Training & Development, 2010
eBooks
Fulmer, Robert M., author
American Management Association, 2008
eBooks
Hiam, Alexander, author
Prentice-Hall, 1992
Buku Teks
Arcidiacono, Gabriele, author
[Springer-Verlag, ], 2012
eBooks
Hayes, Philip, author
McGraw-Hill, 2011
Buku Teks