Gordon, T. T., & Cookfair, A. S. (2000). Patent fundamentals for scientists and engineers (2nd ed.). Lewis Pub.
Lua i Stíl Chicago (17ú heag.)Gordon, Thomas T., agus Arthur S. Cookfair. Patent Fundamentals for Scientists and Engineers. 2nd ed. Boca Raton, Fla: Lewis Pub, 2000.
Lua MLA (9ú heag.)Gordon, Thomas T., agus Arthur S. Cookfair. Patent Fundamentals for Scientists and Engineers. 2nd ed. Lewis Pub, 2000.
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