Freed, L. (2013). Innovating analytics: Word of mouth index--use the next generation of net promoter to increase sales and drive results. John Wiley & Sons, Inc..
Lua i Stíl Chicago (17ú heag.)Freed, Larry. Innovating Analytics: Word of Mouth Index--use the Next Generation of Net Promoter to Increase Sales and Drive Results. Hoboken, New Jersey: John Wiley & Sons, Inc., 2013.
Lua MLA (9ú heag.)Freed, Larry. Innovating Analytics: Word of Mouth Index--use the Next Generation of Net Promoter to Increase Sales and Drive Results. John Wiley & Sons, Inc., 2013.
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