Dyfyniad APA

C J Date. (1984). An Introduction to Database Systems (2.). Addison-Wesley Publishing.

Dyfyniad Arddull Chicago

C J Date. An Introduction to Database Systems. 2. Addison-Wesley Publishing, 1984.

Dyfyniad MLA

C J Date. An Introduction to Database Systems. 2. Addison-Wesley Publishing, 1984.

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