Zhu. Systematic Thinking for Social Action. Brookings Institution Press.
Lua i Stíl Chicago (17ú heag.)Zhu. Systematic Thinking for Social Action. Brookings Institution Press.
Lua MLA (9ú heag.)Zhu. Systematic Thinking for Social Action. Brookings Institution Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.