APA-viite (7. p.)
Hepworth, D. H. [. a. (2010). Direct social work practice: Theory and skills (8th ed.). Wadsworth.
Chicago-viite (17. p.)
Hepworth, Dean H. [et al.]. Direct Social Work Practice: Theory and Skills. 8th ed. California: Wadsworth, 2010.
MLA-viite (9. p.)
Hepworth, Dean H. [et al.]. Direct Social Work Practice: Theory and Skills. 8th ed. Wadsworth, 2010.
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