Cita APA

Gruber,, M. (1995). Understanding SQL (1st.). BPB.

Chicago Edition Citation

Gruber,, Martin. Understanding SQL. 1st. New Delhi: BPB, 1995.

Cita MLA

Gruber,, Martin. Understanding SQL. 1st. BPB, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.