Leech, Thomas, author
[American Management Association, ], 2004
eBooks
Donovan, Jeremey, author
McGraw-Hill, 2014
Buku Teks
Munter, Mary
Prentice-Hall, 2002
Buku Teks
Chan, Janis Fisher, author
[American Management Association;, ], 1999
eBooks
Mills, Harry, author
American Management Association, 2007
eBooks