United States. Patent and Trademark Office. (1977). Trademark rules of practice of the Patent and Trademark Office with forms and statutes, 1976 (9th ed.). U.S. Dept. of Commerce, Patent and Trade Office : For sale by the Supt. of Docs., U.S. G.P.O..
Citace podle Chicago (17th ed.)United States. Patent and Trademark Office. Trademark Rules of Practice of the Patent and Trademark Office with Forms and Statutes, 1976. 9th ed. Washington, D.C.: U.S. Dept. of Commerce, Patent and Trade Office : For sale by the Supt. of Docs., U.S. G.P.O., 1977.
Citace podle MLA (8th ed.)United States. Patent and Trademark Office. Trademark Rules of Practice of the Patent and Trademark Office with Forms and Statutes, 1976. 9th ed. U.S. Dept. of Commerce, Patent and Trade Office : For sale by the Supt. of Docs., U.S. G.P.O., 1977.