editor, Cat Sharpe
American Society for Training and Development Press, 2006
eBooks
Stroup, Jim, author
American Management Association, 2008
eBooks
Davis, Mark M., author
McGraw-Hill, 2003
Buku Teks
Davis, Burke
The Dial Press, 1970
Buku Teks
edited by Hillol Kargupta
CRC Press, Taylor & Francis Group, 2009
Buku Teks