Wadhwa Ashok. The Patent & Trademark Cases Digest (1998-2002). K.C. Narang.
Lua i Stíl Chicago (17ú heag.)Wadhwa Ashok. The Patent & Trademark Cases Digest (1998-2002). NA: K.C. Narang.
Lua MLA (9ú heag.)Wadhwa Ashok. The Patent & Trademark Cases Digest (1998-2002). K.C. Narang.
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