Ellis, H. S., & Metzler, L. A. (1949). Readings in the theory of international trade. এবড়ৎমব অষষবহ ধহফ টহরিহ খঃফ..
Chicago-čujuhus (17. p.)Ellis, Howard S., juo Lloyd A. Metzler. Readings in the Theory of International Trade. London: এবড়ৎমব অষষবহ ধহফ টহরিহ খঃফ., 1949.
MLA-čujuhus (9. p.)Ellis, Howard S., juo Lloyd A. Metzler. Readings in the Theory of International Trade. এবড়ৎমব অষষবহ ধহফ টহরিহ খঃফ., 1949.
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