Cockman, P. (1992). Client-centered consulting: A practical guide for internal advicer and trainers. MacGraw-Hill Book Company.
Chicago Style (17. basım) AtıfCockman, Peter. Client-centered Consulting: A Practical Guide for Internal Advicer and Trainers. London: MacGraw-Hill Book Company, 1992.
MLA (9th ed.) AtıfCockman, Peter. Client-centered Consulting: A Practical Guide for Internal Advicer and Trainers. MacGraw-Hill Book Company, 1992.
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