Cita APA (7a ed.)

Safari Tech Books Online & Fehily, C. A. (2005). SQL (2nd ed.). Peachpit Press.

Cita Chicago Style (17a ed.)

Safari Tech Books Online y Chris Author Fehily. SQL. 2nd ed. [Place of publication not identified]: Peachpit Press, 2005.

Cita MLA (9a ed.)

Safari Tech Books Online y Chris Author Fehily. SQL. 2nd ed. Peachpit Press, 2005.