Cita APA (7a ed.)
Aaker, D. A., & Day, G. S. (1990). Marketing Research (4. ed.). Wiley and Sons.
Cita Chicago Style (17a ed.)
Aaker, David A., y George S. Day. Marketing Research. 4. ed. New York: Wiley and Sons, 1990.
Cita MLA (9a ed.)
Aaker, David A., y George S. Day. Marketing Research. 4. ed. Wiley and Sons, 1990.
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