Cita APA

Birdsall, N., & Birdsall, N. (1980). Population and proverty in the developing world: A background paper for world development report, 1980. Washington: World Bank.

Citación estilo Chicago

Birdsall, Nancy, y Nancy Birdsall. Population and Proverty in the Developing World: A Background Paper for World Development Report, 1980. Washington: World Bank, 1980.

Cita MLA

Birdsall, Nancy, y Nancy Birdsall. Population and Proverty in the Developing World: A Background Paper for World Development Report, 1980. Washington: World Bank, 1980.