Bazerman, Max H., author
Jon Wiley & Sons, 2009
Buku Teks
Vaughn, Robert H., author
American Society for Training & Development, 2010
eBooks
Vaughn, Robert H., author
ASTD Press, 2010
Buku Teks
Rolf Johansson, editor
[, Springer-Verlag], 2012
eBooks
Best, Edward, 1958-, (author.)
Springer, 2016
Buku Teks