Iggland, B. (1987). Customer evaluations for industrial product development. Dept. of Management and Economics, Linköping University.
Chicagoスタイル(17版)引用形式Iggland, Benny. Customer Evaluations for Industrial Product Development. Linköping: Dept. of Management and Economics, Linköping University, 1987.
MLA(8版)引用形式Iggland, Benny. Customer Evaluations for Industrial Product Development. Dept. of Management and Economics, Linköping University, 1987.
警告: この引用は必ずしも正確ではありません.