APA (7th ed.) Zitazioa

Kriegel, A. (2011). Discovering SQL: A hands-on guide for beginners. Wiley.

Chicago Style (17th ed.) Zitazioa

Kriegel, Alex. Discovering SQL: A Hands-on Guide for Beginners. Indianapolis, Ind.: Wiley, 2011.

MLA (9th ed.) Zitazioa

Kriegel, Alex. Discovering SQL: A Hands-on Guide for Beginners. Wiley, 2011.