National Association of Social Workers & Edwards, R. L. (1995). Encyclopedia of social work (19th ed.). National Association of Social Workers.
Lua i Stíl Chicago (17ú heag.)National Association of Social Workers agus Richard L. Edwards. Encyclopedia of Social Work. 19th ed. Washington, DC: National Association of Social Workers, 1995.
Lua MLA (9ú heag.)National Association of Social Workers agus Richard L. Edwards. Encyclopedia of Social Work. 19th ed. National Association of Social Workers, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.