BAYROSS IVAN. (1993). INTRODUCTION TO INGRES. BPB PUBLICATIONS.
Cita Chicago (17th ed.)BAYROSS IVAN. INTRODUCTION TO INGRES. NEW DELHI: BPB PUBLICATIONS, 1993.
Cita MLA (9th ed.)BAYROSS IVAN. INTRODUCTION TO INGRES. BPB PUBLICATIONS, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.