Kraitchik, M. (1939). Financial graphic tables (3d ed., entirely rev.). Sofina.
Lua i Stíl Chicago (17ú heag.)Kraitchik, Maurice. Financial Graphic Tables. 3d ed., entirely rev. Brussels: Sofina, 1939.
Lua MLA (8ú heag.)Kraitchik, Maurice. Financial Graphic Tables. 3d ed., entirely rev. Sofina, 1939.
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