Hawkins, D. I. M. (2010). Consumer Behavior. Vikas.
Lua i Stíl Chicago (17ú heag.)Hawkins, Del I; Mothersbaugh. Consumer Behavior. Vikas, 2010.
Lua MLA (9ú heag.)Hawkins, Del I; Mothersbaugh. Consumer Behavior. Vikas, 2010.
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