Cox, W. E. (1979). Industrial marketing research. John Wiley & Sons.
シカゴスタイル引用形Cox, William E. Industrial Marketing Research. New York: John Wiley & Sons, 1979.
MLA引用形式Cox, William E. Industrial Marketing Research. John Wiley & Sons, 1979.
警告: この引用は必ずしも正確ではありません.