Burge, D. A. (1999). Patent and trademark tactics and practice (3rd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Burge, David A. Patent and Trademark Tactics and Practice. 3rd ed. New York: Wiley, 1999.
Lua MLA (9ú heag.)Burge, David A. Patent and Trademark Tactics and Practice. 3rd ed. Wiley, 1999.
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