Vibert, C. (2000). Web-based analysis for competitive intelligence. Quorum Books.
Lua i Stíl Chicago (17ú heag.)Vibert, Conor. Web-based Analysis for Competitive Intelligence. Westport, Conn.: Quorum Books, 2000.
Lua MLA (9ú heag.)Vibert, Conor. Web-based Analysis for Competitive Intelligence. Quorum Books, 2000.
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