Silverston, L., & Agnew, P. (2009). The data model resource book. Wiley India.
Lua i Stíl Chicago (17ú heag.)Silverston, Len, agus Paul Agnew. The Data Model Resource Book. Indianapolis, Ind. ; New Delhi: Wiley India, 2009.
Lua MLA (8ú heag.)Silverston, Len, agus Paul Agnew. The Data Model Resource Book. Wiley India, 2009.
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