Hepworth, D. H. (1989). Direct social work practice: Theory and skills (3rd ed.). Wadsworth.
Dyfyniad Arddull ChicagoHepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. California: Wadsworth, 1989.
Dyfyniad MLAHepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. Wadsworth, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.