Greenfield, W. M. (1987). Successful management consulting: Building a practice with smaller company clients. Prentice Hall.
Chicago-viite (17. p.)Greenfield, W M. Successful Management Consulting: Building a Practice with Smaller Company Clients. Englewood Cliffs, New Jersey: Prentice Hall, 1987.
MLA-viite (8. p.)Greenfield, W M. Successful Management Consulting: Building a Practice with Smaller Company Clients. Prentice Hall, 1987.
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