Lipsey, R. G. (1974). An introduction to positive economics. English Language Book Society.
シカゴスタイル引用形Lipsey, Richard G. An Introduction to Positive Economics. Britain: English Language Book Society, 1974.
MLA引用形式Lipsey, Richard G. An Introduction to Positive Economics. English Language Book Society, 1974.
警告: この引用は必ずしも正確ではありません.