Ferguson, C. E., & Vaish, M. C. (1962). Principles of economics. Duke University.
シカゴスタイル引用形Ferguson, C. E., , M. C. Vaish. Principles of Economics. USA: Duke University, 1962.
MLA引用形式Ferguson, C. E., , M. C. Vaish. Principles of Economics. Duke University, 1962.
警告: この引用は必ずしも正確ではありません.