Lipsey, R. G. (1963). Introduction to positive economics. English Language Book Society.
シカゴスタイル引用形Lipsey, Richard G. Introduction to Positive Economics. London: English Language Book Society, 1963.
MLA引用形式Lipsey, Richard G. Introduction to Positive Economics. English Language Book Society, 1963.
警告: この引用は必ずしも正確ではありません.