De Vries, M. K. (2011). Reflections on groups and organizations. Jossey-Bass.
Tohutoru Kātū Chicago (17th ed.)De Vries, Manfred Kets. Reflections on Groups and Organizations. Chichester, West Sussex: Jossey-Bass, 2011.
Tohutoro MLA (9th ed.)De Vries, Manfred Kets. Reflections on Groups and Organizations. Jossey-Bass, 2011.
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