Dale, E., & Urwick, L. F. (1960). Staff in organization. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleDale, Ernest, and Lyndall F. Urwick. Staff in Organization. New York: McGraw-Hill Book Company, 1960.
Παραπομπή MLADale, Ernest, and Lyndall F. Urwick. Staff in Organization. New York: McGraw-Hill Book Company, 1960.
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