Dyfyniad APA

Ravallion, M. (1998). Poverty lines in theory and practice. World Bank.

Dyfyniad Arddull Chicago

Ravallion, Martin. Poverty Lines in Theory and Practice. Washington, DC: World Bank, 1998.

Dyfyniad MLA

Ravallion, Martin. Poverty Lines in Theory and Practice. World Bank, 1998.

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