Cassel, G. (1921). The world's monetary problems: Two memoranda. Constable.
Chicagoスタイル(17版)引用形式Cassel, Gustav. The World's Monetary Problems: Two Memoranda. London, Sydney: Constable, 1921.
MLA(8版)引用形式Cassel, Gustav. The World's Monetary Problems: Two Memoranda. Constable, 1921.
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