Rivlin, A. M. (1971). Systematic thinking for social action. Brookings Institution.
Lua i Stíl Chicago (17ú heag.)Rivlin, Alice M. Systematic Thinking for Social Action. Washington: Brookings Institution, 1971.
Lua MLA (9ú heag.)Rivlin, Alice M. Systematic Thinking for Social Action. Brookings Institution, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.