Koleksi Publik
Peurifoy, Reneau Z.
Warner Books, 2005
Buku Teks
Ryan, Barbara
Brooks/Cole Cengage Learning, 2013
Buku Teks
Thompson E. Davis III, Thomas H. Ollendick, Lars-Goran Ost, editors
[Springer, ], 2012
eBooks
Stolovitch, Harold D.
American Society for Training & Development, 2011
eBooks