Sammon, W. L., & Kurkland, M. A. (1984). Business Competitor Intelligence. Ronald.
シカゴスタイル引用形Sammon, William L., , Mark A. Kurkland. Business Competitor Intelligence. New York: Ronald, 1984.
MLA引用形式Sammon, William L., , Mark A. Kurkland. Business Competitor Intelligence. Ronald, 1984.
警告: この引用は必ずしも正確ではありません.