Kreines, D. (2001). Oracle SQL: The essential reference. Shroff Publishers & Distributors.
Lua i Stíl Chicago (17ú heag.)Kreines, David. Oracle SQL: The Essential Reference. Mumbai: Shroff Publishers & Distributors, 2001.
Lua MLA (9ú heag.)Kreines, David. Oracle SQL: The Essential Reference. Shroff Publishers & Distributors, 2001.
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