Servi, I. S. (1990). New product development and marketing. Praeger.
シカゴスタイル引用形Servi, Italo S. New Product Development and Marketing. New York: Praeger, 1990.
MLA引用形式Servi, Italo S. New Product Development and Marketing. Praeger, 1990.
警告: この引用は必ずしも正確ではありません.