Cita APA (7a ed.)

Gennick, J., & Luers, T. (2000). Sams teach yourself PL/SQL in 21 days (2nd ed.). Techmedia..

Cita Chicago Style (17a ed.)

Gennick, Jonathan, y Tom Luers. Sams Teach Yourself PL/SQL in 21 Days. 2nd ed. Indianapolis, Ind. ; New Delhi: Techmedia., 2000.

Cita MLA (8a ed.)

Gennick, Jonathan, y Tom Luers. Sams Teach Yourself PL/SQL in 21 Days. 2nd ed. Techmedia., 2000.