Cassel, G. (1966). The downfall of the gold standard. Frank Cass.
Lua i Stíl Chicago (17ú heag.)Cassel, Gustav. The Downfall of the Gold Standard. [London]: Frank Cass, 1966.
Lua MLA (9ú heag.)Cassel, Gustav. The Downfall of the Gold Standard. Frank Cass, 1966.
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