Deeprose, Donna, author
[American Management Association, ], 2001
eBooks
Maginn, Michael, author
McGraw-Hill, 2003
Buku Teks
Hayes, Philip, author
McGraw-Hill, 2011
Buku Teks
Miller, Mark, author
Berrett-Koehler, 2011
Buku Teks
Allan, Barbara, author
Facet Publishing, 2007
Buku Teks