Holzmann, R. (2009). Social protection and labor at the World Bank, 2000-08. World Bank.
Chicago-referens (17:e uppl.)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. Washington D.C.: World Bank, 2009.
MLA-referens (9:e uppl.)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. World Bank, 2009.