DuBois, P., Hinz, S., & Pedersen, C. (2006). MySQL 5 certification study guide. MySQL Press.

DuBois, Paul, Stefan Hinz, and Carsten Pedersen. MySQL 5 Certification Study Guide. Indianapolis, Ind.: MySQL Press, 2006.

DuBois, Paul, et al. MySQL 5 Certification Study Guide. MySQL Press, 2006.