Cita APA (7th ed.)

Pratt, P. J. (2001). A guide to SQL (5th ed.). Jemma.

Cita Chicago (17th ed.)

Pratt, Philip J. A Guide to SQL. 5th ed. Rizal: Jemma, 2001.

Cita MLA (9th ed.)

Pratt, Philip J. A Guide to SQL. 5th ed. Jemma, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.