Dyfyniad APA

Ullman, J. D. (1995). Principles of database systems (2.). Galgotia Publications.

Dyfyniad Arddull Chicago

Ullman, Jeffrey D. Principles of Database Systems. 2. New Delhi: Galgotia Publications, 1995.

Dyfyniad MLA

Ullman, Jeffrey D. Principles of Database Systems. 2. Galgotia Publications, 1995.

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