Παραπομπή APA

Hepworth, D. H., & Rooney, R. H. L. (2002). Direct social work practice: Theory and skills (6th ed.). Brooks/Cole.

Παραπομπή Chicago Style

Hepworth, Dean H., και Ronald H. Larsen Rooney. Direct Social Work Practice: Theory and Skills. 6th ed. California: Brooks/Cole, 2002.

Παραπομπή MLA

Hepworth, Dean H., και Ronald H. Larsen Rooney. Direct Social Work Practice: Theory and Skills. 6th ed. Brooks/Cole, 2002.