Sammon, W. L., & Kurkland, M. A. (1984). Business Competitor Intelligence. Ronald.
Čikaški stil citiranjaSammon, William L., i Mark A. Kurkland. Business Competitor Intelligence. New York: Ronald, 1984.
MLA način citiranjaSammon, William L., i Mark A. Kurkland. Business Competitor Intelligence. Ronald, 1984.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.