Παραπομπή APA

Rolland,F.D. (2011). The essence of databases. Pearson.

Παραπομπή Chicago Style

Rolland,F.D. The Essence of Databases. New Delhi: Pearson, 2011.

Παραπομπή MLA

Rolland,F.D. The Essence of Databases. Pearson, 2011.