Παραπομπή APA

Bradley, J. (1942). File and data base techniques. Holt, Rinehart, and Winston.

Παραπομπή Chicago Style

Bradley, James. File and Data Base Techniques. New York: Holt, Rinehart, and Winston, 1942.

Παραπομπή MLA

Bradley, James. File and Data Base Techniques. Holt, Rinehart, and Winston, 1942.