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APA (7th ed.) Zitazioa
Carvalho Abílio Pacheco de & Estados Unidos Treasury Department. (1917). Save and invest in the safest simplest security, buy W.S.S.... issued by the United States Government. U.S.Treasury Department.
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Chicago Style (17th ed.) Zitazioa
Carvalho Abílio Pacheco de eta Estados Unidos Treasury Department. Save and Invest in the Safest Simplest Security, Buy W.S.S.... Issued by the United States Government. U.S.Treasury Department, 1917.
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MLA (9th ed.) Zitazioa
Carvalho Abílio Pacheco de eta Estados Unidos Treasury Department. Save and Invest in the Safest Simplest Security, Buy W.S.S.... Issued by the United States Government. U.S.Treasury Department, 1917.
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