Não informado. (1872). Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress.
Čikaški stil citiranja (17. izdanje)Não informado. Official Gazette of the United States Patent Office. Washington: U.S. Patent Office, Department of Congress, 1872.
MLA način citiranja (8. izdanje)Não informado. Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress, 1872.
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