Katcher, Bruce L.
An insider's guide to building a successful consulting practice
[American Management Association;, ], 2010
 eBooks
Sinaga, Jonathan Fernandus Parningotan
Laporan penelititan: AWGG consulting group = Research paper AWGG consulting group
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2016
 UI - Makalah dan Kertas Kerja
Hicks, Tyler Gregory, 1921-
Standard handbook of consulting engineering practice
McGraw-Hill, 1986
 Buku Referensi
Gendelman, Joel
Consulting basics
American Society for Training & Development, 2010
 eBooks
Consulting engineering practice manual
edited by Stanley Cohen
McGraw-Hill, 1982
 Buku Referensi