Sinclair, Joseph T., author
American Management Association, 2005
eBooks
Sinclair, Joseph T., author
American Management Association, 2006
eBooks
Schoch, Elizabeth T.
Adam Media Corporation, 2002
Buku Teks
Davis, Kevin T., author
[American Management Association;, ], 2011
eBooks
Lerner, Marcia, author
Random House, 2001
Buku Teks