STILWELL, J. (1975). Workbook to accompany the fourth edition: Of an introduction to positive economics. E.L.B.S. Weidenfeld and Nicolson.
Chicagoスタイル(17版)引用形式STILWELL, J.A. Workbook to Accompany the Fourth Edition: Of an Introduction to Positive Economics. London: E.L.B.S. Weidenfeld and Nicolson, 1975.
MLA(9版)引用形式STILWELL, J.A. Workbook to Accompany the Fourth Edition: Of an Introduction to Positive Economics. E.L.B.S. Weidenfeld and Nicolson, 1975.
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