Samuelson, P. (1981). Economics from the heart. San Diego: Harcourt Brace Jovanovich, Publishers.
シカゴスタイル引用形Samuelson, Paul. Economics From the Heart. San Diego: Harcourt Brace Jovanovich, Publishers, 1981.
MLA引用形式Samuelson, Paul. Economics From the Heart. San Diego: Harcourt Brace Jovanovich, Publishers, 1981.
警告: この引用は必ずしも正確ではありません.