Wentz, W. B. (1972). Marketing research: Management and methods. Happer & Row.
シカゴスタイル引用形Wentz, Walter B. Marketing Research: Management and Methods. New York: Happer & Row, 1972.
MLA引用形式Wentz, Walter B. Marketing Research: Management and Methods. Happer & Row, 1972.
警告: この引用は必ずしも正確ではありません.