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Lua i Stíl Chicago (17ú heag.)Okrasa, Wlodzimierz. The Dynamics of Poverty and the Effectiveness of Poland's Safety Net, 1993-96. Washington, D.C: World Bank, 1999.
Lua MLA (9ú heag.)Okrasa, Wlodzimierz. The Dynamics of Poverty and the Effectiveness of Poland's Safety Net, 1993-96. World Bank, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.