Schiffman, L. G. (2007). Consumer Behavior. Simon And Schuster.
Lua i Stíl Chicago (17ú heag.)Schiffman, Leon G. Consumer Behavior. London: Simon And Schuster, 2007.
Lua MLA (9ú heag.)Schiffman, Leon G. Consumer Behavior. Simon And Schuster, 2007.
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