Singapore Council of Social Service. (1979). Social service directory ([2d ed.].). Singapore Council of Social Service.
Lua i Stíl Chicago (17ú heag.)Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore: Singapore Council of Social Service, 1979.
Lua MLA (8ú heag.)Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore Council of Social Service, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.