Hepworth, D. H. (1989). Direct social work practice: Theory and skills (3rd ed.). Wadsworth.
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Chicago-čujuhus (17. p.)
Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. California: Wadsworth, 1989.
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MLA-čujuhus (9. p.)
Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. Wadsworth, 1989.
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