Cita APA

Jeffrey D Ullman Jennifer Widom. (2007). First course in Database systems. Pearson education.

Chicago Edition Citation

Jeffrey D Ullman Jennifer Widom. First Course in Database Systems. Delhi: Pearson education, 2007.

Cita MLA

Jeffrey D Ullman Jennifer Widom. First Course in Database Systems. Pearson education, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.