Williamson, M. (1965). Social worker: Artist and scientist in human relations. New York : London: The Macmillan Company Collier-Macmillan.
Παραπομπή Chicago StyleWilliamson, Margaret. Social Worker: Artist and Scientist in Human Relations. New York : London: The Macmillan Company Collier-Macmillan, 1965.
Παραπομπή MLAWilliamson, Margaret. Social Worker: Artist and Scientist in Human Relations. New York : London: The Macmillan Company Collier-Macmillan, 1965.
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