Dyfyniad APA

Summers, L. H. (1992). Investing in all the people. Office of the Vice President, Development Economics, World Bank.

Dyfyniad Arddull Chicago

Summers, Lawrence H. Investing in All the People. Washington, D.C: Office of the Vice President, Development Economics, World Bank, 1992.

Dyfyniad MLA

Summers, Lawrence H. Investing in All the People. Office of the Vice President, Development Economics, World Bank, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.