Cita APA (7th ed.)
Date, C. J. (2004). An introduction to database systems (8th ed.). Pearson/Addison Wesley.
Cita Chicago (17th ed.)
Date, C. J. An Introduction to Database Systems. 8th ed. Boston: Pearson/Addison Wesley, 2004.
Cita MLA (9th ed.)
Date, C. J. An Introduction to Database Systems. 8th ed. Pearson/Addison Wesley, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.