Cita APA

World Bank. (1999). World Bank research program 1999: Abstracts of current studies. The World Bank.

Citación estilo Chicago

World Bank. World Bank Research Program 1999: Abstracts of Current Studies. Washington, D.C: The World Bank, 1999.

Cita MLA

World Bank. World Bank Research Program 1999: Abstracts of Current Studies. The World Bank, 1999.