APA (7th ed.) Zitazioa
Walsh, J. (2010). Theories for direct social work practice (2nd ed.). Wadsworth.
Chicago Style (17th ed.) Zitazioa
Walsh, Joseph. Theories for Direct Social Work Practice. 2nd ed. Belmont: Wadsworth, 2010.
MLA (9th ed.) Zitazioa
Walsh, Joseph. Theories for Direct Social Work Practice. 2nd ed. Wadsworth, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.