Dyfyniad APA
Date, C. J. (1995). An Introduction to Database Systems (6th ed.). Addison-Wesley Pub..
Dyfyniad Arddull Chicago
Date, C. J. An Introduction to Database Systems. 6th ed. New York.: Addison-Wesley Pub., 1995.
Dyfyniad MLA
Date, C. J. An Introduction to Database Systems. 6th ed. Addison-Wesley Pub., 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.