Ravallion,Martin. (1998). Poverty lines in theory and practice. The world Bank.
シカゴスタイル引用形Ravallion,Martin. Poverty Lines in Theory and Practice. Washington: The world Bank, 1998.
MLA引用形式Ravallion,Martin. Poverty Lines in Theory and Practice. The world Bank, 1998.
警告: この引用は必ずしも正確ではありません.