Patnaik, K. (2008). What customers really want. Lotus press.
Lua i Stíl Chicago (17ú heag.)Patnaik, Keshu. What Customers Really Want. New Delhi: Lotus press, 2008.
Lua MLA (9ú heag.)Patnaik, Keshu. What Customers Really Want. Lotus press, 2008.
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