Summers, L. H. (1992). Investing in all the people. Office of the Vice President, Development Economics, World Bank.
Chicago-Zitierstil (17. Ausg.)Summers, Lawrence H. Investing in All the People. Washington, D.C: Office of the Vice President, Development Economics, World Bank, 1992.
MLA-Zitierstil (9. Ausg.)Summers, Lawrence H. Investing in All the People. Office of the Vice President, Development Economics, World Bank, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.