Gamble, P. R. (2006). Marketing Revolution (7th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Gamble, Paul R. Marketing Revolution. 7th. New Delhi: Pearson, 2006.
Lua MLA (9ú heag.)Gamble, Paul R. Marketing Revolution. 7th. Pearson, 2006.
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