Boyd, H. W., Westfall, R., & Stasch, S. F. (1988). Marketing research: Text and cases (6th ed.). Irwin.
芝加哥风格引文Boyd, Harper W., Ralph Westfall, 与 Stanley F. Stasch. Marketing Research: Text and Cases. 6th ed. India: Irwin, 1988.
MLA引文Boyd, Harper W., et al. Marketing Research: Text and Cases. 6th ed. Irwin, 1988.
警告：这些引文格式不一定是100％准确.