Swansburg, Russell C., author
Jones and Bartlett, 1990
Buku Teks
Thompson, Leigh L., author
Pearson - Prentice Hall, 2008
Buku Teks
Piccoli, Gabriele, author
John Wliley , 2012
Buku Teks
Singh, N.K., author
[Springer, ], 2012
eBooks
Meyer, Kathy, author
[American Society for Training & Development;, ], 1997
eBooks