Helpman,Elhanan. (1978). A theory of international trade under uncertainty. Academic Press.
シカゴスタイル引用形Helpman,Elhanan. A Theory of International Trade Under Uncertainty. New York: Academic Press, 1978.
MLA引用形式Helpman,Elhanan. A Theory of International Trade Under Uncertainty. Academic Press, 1978.
警告: この引用は必ずしも正確ではありません.