Dornan, Jim
The power of partnership (kekuatan kemitraan) : sebuah bisnis baru di era baru / Jim Dornan
Network TwentyOne, 1998
Buku Teks
LoCicero, Joe
Business communication: deliver your message with clarity and efficiency
Adams Media, 2007
Buku Teks
Luecke, Richard
Best practice workplace negotiations
[American Management Association;, ], 2010
eBooks
The results-driven manager: face-to-face communications for clarity and impact
Harvard Business School Press, 2004
Buku Teks
O`Connor, J. Regis
High-impact public speaking for business and the professions
NTC, 1997
Buku Teks