Heilbroner, R. L. (1968). The Economic Problem. Prentice-Hall of India.
シカゴスタイル引用形Heilbroner, Robert L. The Economic Problem. New Jersey: Prentice-Hall of India, 1968.
MLA引用形式Heilbroner, Robert L. The Economic Problem. Prentice-Hall of India, 1968.
警告: この引用は必ずしも正確ではありません.