United States. Patent and Trademark Office. (1977). Technology assessment & forecast. United States Dept. of Commerce, Patent and Trademark Office.
Citace podle Chicago (17th ed.)United States. Patent and Trademark Office. Technology Assessment & Forecast. Washington, D.C: United States Dept. of Commerce, Patent and Trademark Office, 1977.
Citace podle MLA (8th ed.)United States. Patent and Trademark Office. Technology Assessment & Forecast. United States Dept. of Commerce, Patent and Trademark Office, 1977.
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