APA (7th ed.) Citation

Aaker, D. A., & Day, G. S. (1990). Marketing research (4. ed.). Wiley.

Chicago Style (17th ed.) Citation

Aaker, David A., and George S. Day. Marketing Research. 4. ed. New York u.a: Wiley, 1990.

MLA (9th ed.) Citation

Aaker, David A., and George S. Day. Marketing Research. 4. ed. Wiley, 1990.