Leon, A. (1997). Oracle 7: The application dvelopment handbook. - 2nd ed. , (2nd ed.). Comdex Computer publishing.
Παραπομπή Chicago StyleLeon, Alexis. Oracle 7: The Application Dvelopment Handbook. - 2nd Ed. ,. 2nd ed. New Delhi: Comdex Computer publishing, 1997.
Παραπομπή MLALeon, Alexis. Oracle 7: The Application Dvelopment Handbook. - 2nd Ed. ,. 2nd ed. Comdex Computer publishing, 1997.
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