Holzmann, R. (2009). Social protection and labor at the World Bank, 2000-08. World Bank.
Citazione stile Chigago Style (17a edizione)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. Washington D.C.: World Bank, 2009.
Citatione MLA (9a ed.)Holzmann, Robert. Social Protection and Labor at the World Bank, 2000-08. World Bank, 2009.