Jathar, G., & Beri, S. (1966). Elementary principles of economics (10th ed.).
シカゴスタイル引用形Jathar, G.B, , S.G Beri. Elementary Principles of Economics. 10th ed. 1966.
MLA引用形式Jathar, G.B, , S.G Beri. Elementary Principles of Economics. 10th ed. 1966.
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