Richman, Larry, author
[American Management Association, ], 2002
eBooks
The McGraw-Hill, 2000
Multimedia
Lock, Dennis, author
Erlangga, 1981
Buku Teks
Moder, Joseph J., author
Van Nostrand Reinhold, 1970
Buku Teks
Kendrick, Tom, author
American Management Association, 2006
eBooks