Cita APA (7th ed.)
Hepworth, D. H. (1992). Direct social work practice: Theory and skills (4th ed.). Wadsworth.
Cita Chicago (17th ed.)
Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 4th ed. California: Wadsworth, 1992.
Cita MLA (9th ed.)
Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 4th ed. Wadsworth, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.