Perry, J. T., & Lateer, J. G. (1989). Understanding Oracle. Sybex.
Lua i Stíl Chicago (17ú heag.)Perry, James T., agus Joseph G. Lateer. Understanding Oracle. San Francisco, Calif: Sybex, 1989.
Lua MLA (9ú heag.)Perry, James T., agus Joseph G. Lateer. Understanding Oracle. Sybex, 1989.
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