Aaker A. David, V. Kumar, & George S. Day. (1998). Marketing research (6th edition.). John Wiley and sons.
芝加哥风格引文Aaker A. David, V. Kumar, 与 George S. Day. Marketing Research. 6th edition. New York: John Wiley and sons, 1998.
MLA引文Aaker A. David, et al. Marketing Research. 6th edition. John Wiley and sons, 1998.
警告：这些引文格式不一定是100％准确.