Cita APA (7th ed.)

Groff, J. (2008). SQL: The Complete Reference ,2008 (2 nd.). T M H.

Cita Chicago (17th ed.)

Groff, James. SQL: The Complete Reference ,2008. 2 nd. New Delhi: T M H, 2008.

Cita MLA (9th ed.)

Groff, James. SQL: The Complete Reference ,2008. 2 nd. T M H, 2008.