Não informado. (1999). Social work research. National Association of Social Workers.
Lua i Stíl Chicago (17ú heag.)Não informado. Social Work Research. Washington: National Association of Social Workers, 1999.
Lua MLA (8ú heag.)Não informado. Social Work Research. National Association of Social Workers, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.