Cita APA (7a ed.)

Butcher, T. (2003). Sams Teach Yourself MySQL in 21 days (2nd ed.). Pearson Education.

Cita Chicago Style (17a ed.)

Butcher, Tony. Sams Teach Yourself MySQL in 21 Days. 2nd ed. New Delhi: Pearson Education, 2003.

Cita MLA (9a ed.)

Butcher, Tony. Sams Teach Yourself MySQL in 21 Days. 2nd ed. Pearson Education, 2003.