Boyd, H. W., Westfall, R. L., & Stasch, S. F. (1989). Marketing research: Text and cases (7th ed.). Irwin.
シカゴスタイル引用形Boyd, Harper W., Ralph L. Westfall, , Stanley F. Stasch. Marketing Research: Text and Cases. 7th ed. Homewood, Ill.: Irwin, 1989.
MLA引用形式Boyd, Harper W., et al. Marketing Research: Text and Cases. 7th ed. Irwin, 1989.
警告: この引用は必ずしも正確ではありません.