Shannon, P. (1991). Social policy. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Shannon, Patrick. Social Policy. Auckland, N.Z.: Oxford University Press, 1991.
Lua MLA (9ú heag.)Shannon, Patrick. Social Policy. Oxford University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
