Riddell, R. C., & Roger C. Riddell. (2007). Does foreign aid really work? Oxford: Oxford University Press.
シカゴスタイル引用形Riddell, Roger C., , Roger C. Riddell. Does Foreign Aid Really Work? Oxford: Oxford University Press, 2007.
MLA引用形式Riddell, Roger C., , Roger C. Riddell. Does Foreign Aid Really Work? Oxford: Oxford University Press, 2007.
警告: この引用は必ずしも正確ではありません.