Cita APA (7th ed.)
Garcia-Molina, H., & Ullman, J. D. (2002). Database systems: The complete book. Pearson Education.
Cita Chicago (17th ed.)
Garcia-Molina, Hector, i Jeffrey D/Widom Ullman. Database Systems: The Complete Book. Delhi: Pearson Education, 2002.
Cita MLA (9th ed.)
Garcia-Molina, Hector, i Jeffrey D/Widom Ullman. Database Systems: The Complete Book. Pearson Education, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.