Não informado. (1872). Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress.
Chicagoスタイル(17版)引用形式Não informado. Official Gazette of the United States Patent Office. Washington: U.S. Patent Office, Department of Congress, 1872.
MLA(8版)引用形式Não informado. Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress, 1872.
警告: この引用は必ずしも正確ではありません.