Tay, Ronald, author
Marshall Cavendish, 2014
Buku Teks
Hayes, Philip, author
McGraw-Hill, 2011
Buku Teks
Pietrzak, Theodore, author
[American Society for Training and Development Press;;, ], 2005
eBooks
DuBrin, Andrew J., author
Reston Publishing Company, 1983
Buku Teks
Pantry, Sheila, author
Facet Publishing, 2003
Buku Teks