APA(7版)引用形式
Hubbard, R. G., & Duggan, W. R. (2009). The aid trap: Hard truths about ending poverty. Columbia Business School Pub..
Chicagoスタイル(17版)引用形式
Hubbard, R. Glenn, , William R. Duggan. The Aid Trap: Hard Truths About Ending Poverty. New York: Columbia Business School Pub., 2009.
MLA(9版)引用形式
Hubbard, R. Glenn, , William R. Duggan. The Aid Trap: Hard Truths About Ending Poverty. Columbia Business School Pub., 2009.
警告: この引用は必ずしも正確ではありません.