Holzmann, R. (2009). Social protection and labor at the World Bank, 2000-08. World Bank.
Lua i Stíl Chicago (17ú heag.)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. Washington D.C.: World Bank, 2009.
Lua MLA (9ú heag.)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. World Bank, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.