W. Imanto
Andi Offset, 2007
Buku Teks
Eko H. Setianto
Elex Media Komputindo, 2009
Buku Teks
Zebua, Fajar Y. S.
MediaKom, 2008
Buku Teks
Fox, Scott C.
American Management Association;, 2006
eBooks
Fox, Scott C.
[American Management Association, ], 2008
eBooks