Kumar, V., Aaker, D. A., & Day, G. S. (2002). Essentials of marketing research (2nd ed.). Wiley.
芝加哥风格引文Kumar, V., David A. Aaker, 与 George S. Day. Essentials of Marketing Research. 2nd ed. New York: Wiley, 2002.
MLA引文Kumar, V., et al. Essentials of Marketing Research. 2nd ed. Wiley, 2002.
警告：这些引文格式不一定是100％准确.