Date, C. J. (1995). An Introduction to database systems (6th ed.). Reading, Mass Wokingham: Addison-Wesley.
Παραπομπή Chicago StyleDate, C. J. An Introduction to Database Systems. 6th ed. Reading, Mass Wokingham: Addison-Wesley, 1995.
Παραπομπή MLADate, C. J. An Introduction to Database Systems. 6th ed. Reading, Mass Wokingham: Addison-Wesley, 1995.
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