Berger, R. L. (1982). Human behavior: A perpective for the helping professions (2ª ed.). Longman.
Chicago-čujuhus (17. p.)Berger, Robert L. Human Behavior: A Perpective for the Helping Professions. 2ª ed. Longman, 1982.
MLA-čujuhus (9. p.)Berger, Robert L. Human Behavior: A Perpective for the Helping Professions. 2ª ed. Longman, 1982.
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