American management association & Hughes, C. L. (1965). Goal setting: Key to individual and organizational effectiveness. American management association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American management association και Charles L. Hughes. Goal Setting: Key to Individual and Organizational Effectiveness. New York: American management association, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)American management association και Charles L. Hughes. Goal Setting: Key to Individual and Organizational Effectiveness. American management association, 1965.
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