Connolly, T. M., & Begg, C. E. (2005). Database systems: A practical approach to design, implementation, and management (4th ed.). Addison-Wesley, ; Pearson Eduaction.

Connolly, Thomas M., and Carolyn E. Begg. Database Systems: A Practical Approach to Design, Implementation, and Management. 4th ed. Harlow, Essex, England ; New York : New Delhi: Addison-Wesley, ; Pearson Eduaction, 2005.

Connolly, Thomas M., and Carolyn E. Begg. Database Systems: A Practical Approach to Design, Implementation, and Management. 4th ed. Addison-Wesley, ; Pearson Eduaction, 2005.