ENGEL, J. F., BLACKWELL, R. D., & MINIARD, P. W. (1995). Consumer behavior.-- ed.8. The Dryden Press.
Lua i Stíl Chicago (17ú heag.)ENGEL, James F., Roger D. BLACKWELL, agus Paul W. MINIARD. Consumer Behavior.-- Ed.8. Philadelphia: The Dryden Press, 1995.
Lua MLA (9ú heag.)ENGEL, James F., et al. Consumer Behavior.-- Ed.8. The Dryden Press, 1995.
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