A large-scale survey of business consultancy assignments, reported in 2004, found that repeat business and referrals from third parties were key determinants of consultant appointments.4
"Consultant | Define Consultant at Dictionary.com". Dictionary.reference.com. 2004-03-09. Retrieved 2014-07-20. http://dictionary.reference.com/browse/consultant ↩
Tordoir, Pieter P. (1995). The professional knowledge economy: the management and integration services in business organizations, p. 140. ↩
Bennett, Robert J.; Smith, Colin (2004). "The Selection and Control of Management Consultants by Small Business Clients". International Small Business Journal: Researching Entrepreneurship. 22 (5): 435–462. doi:10.1177/0266242604046295. https://journals.sagepub.com/doi/abs/10.1177/0266242604046295 ↩