Assael, H. (1998). Consumer behavior and marketing action (6th ed.). South-Western.
Lua i Stíl Chicago (17ú heag.)Assael, Henry. Consumer Behavior and Marketing Action. 6th ed. Ohio: South-Western, 1998.
Lua MLA (9ú heag.)Assael, Henry. Consumer Behavior and Marketing Action. 6th ed. South-Western, 1998.
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