Charney, Cyril, author
American Management Association, 2006
eBooks
Singer, Paula M., author
[American Management Association, ], 2009
eBooks
Toporek, Adam, author
AMACOM American Management Association, 2015
Buku Teks
A Ward Lock Book, 1997
Buku Referensi
Yarnold, Stuart, author
Financial World, 2011
Buku Teks