Cita APA (7a ed.)

Dimmick, S., & Portfolio, T. (1990). ORACLE error messages and codes manual: Version 6.0. Oracle.

Cita Chicago Style (17a ed.)

Dimmick, Shelly, y Tom Portfolio. ORACLE Error Messages and Codes Manual: Version 6.0. Chertsey, Surrey: Oracle, 1990.

Cita MLA (9a ed.)

Dimmick, Shelly, y Tom Portfolio. ORACLE Error Messages and Codes Manual: Version 6.0. Oracle, 1990.