Consultants and consulting organizations directory : a reference guide to concerns and individuals engaged in consultation for business, industry, and government
edited by Janice McLean
Gale Research, 1991
 Buku Referensi
Katcher, Bruce L.
An insider's guide to building a successful consulting practice
[American Management Association;, ], 2010
 eBooks
Gendelman, Joel
Consulting basics
American Society for Training & Development, 2010
 eBooks
Cope, Mick
The seven Cs of consulting : the definitive guide to the consulting process
Financial Times Prentice Hall, 2003
 Buku Teks
Reed, Thomas
Using consulting systems: business skills
[American Society for Training & Development Press, American Society for Training & Development Press], 2003
 eBooks