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.
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