Παραπομπή APA

Sammon, W. L., & Kurkland, M. A. (1984). Business Competitor Intelligence. Ronald.

Παραπομπή Chicago Style

Sammon, William L., και Mark A. Kurkland. Business Competitor Intelligence. New York: Ronald, 1984.

Παραπομπή MLA

Sammon, William L., και Mark A. Kurkland. Business Competitor Intelligence. Ronald, 1984.