Cockman, P., Bill Evans, & Peter Reynolds. (1992). Client centred: A practical guide for internal advisers and trainers. McGraw-Hill.
Chicago Style (17. basım) AtıfCockman, Peter, Bill Evans, ve Peter Reynolds. Client Centred: A Practical Guide for Internal Advisers and Trainers. London: McGraw-Hill, 1992.
MLA (8th ed.) AtıfCockman, Peter, et al. Client Centred: A Practical Guide for Internal Advisers and Trainers. McGraw-Hill, 1992.
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