edited by Carolyn Nilson
[American Management Association;, ], 2004
eBooks
Kirk, James J., author
McGraww-Hill, 1997
Buku Teks
Anggleton, Peter, Chase, Elaine, Rivers, Kim, Toft, Marlyn, Tyrer, Paul, Warwick, Ian, Whitty, Geoff
Churchill Livingstone , 1994
Buku Referensi
Aggleton, Peter
London : Churchill Livingstone Inc., 1994,
Buku Referensi
editor, Cat Sharpe Russo
[American Society for Training and Development Press, American Society for Training and Development Press], 2005
eBooks