Sundharam, K., & M. C.Vaish. (1975). Principles of economics. Ratan prakashan mandir.
シカゴスタイル引用形Sundharam, K.P.M, , M. C.Vaish. Principles of Economics. Agra: Ratan prakashan mandir, 1975.
MLA引用形式Sundharam, K.P.M, , M. C.Vaish. Principles of Economics. Ratan prakashan mandir, 1975.
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