Cita APA (7th ed.)

Kumar, V., Aaker, D. A., & Day, G. S. (2002). Essentials of marketing research (2nd ed.). Wiley.

Cita Chicago (17th ed.)

Kumar, V., David A. Aaker, i George S. Day. Essentials of Marketing Research. 2nd ed. New York: Wiley, 2002.

Cita MLA (8th ed.)

Kumar, V., et al. Essentials of Marketing Research. 2nd ed. Wiley, 2002.