FitzGerald, Jerry
Business data communications and networking
Wiley, 1996
 Buku Teks
Sparta, Kelle
The consultative real estate agent: building relationships that create loyal clients, get more referrals, and increase your sales
American Management Association, 2006
 eBooks
Steve, Theobald
Writing winning proposals: business skills
[American Society for Training & Development Press;, ], 2002
 eBooks
Sugiharto
Business plan Big's images
2009
 UI - Tesis (Open)
Edwards, Corwin D.
Big business and the policy of competition
Press of Western Reserve University, 1956
 Buku Teks