Παραπομπή APA

Dun's review. (1976). Dun's review. Dun and Bradstreet.

Παραπομπή Chicago Style

Dun's review. Dun's Review. New York: Dun and Bradstreet, 1976.

Παραπομπή MLA

Dun's review. Dun's Review. Dun and Bradstreet, 1976.