Kroenke, D. M. (2004). Database concepts. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Kroenke, David M. Database Concepts. Prentice-Hall, 2004.
Lua MLA (8ú heag.)Kroenke, David M. Database Concepts. Prentice-Hall, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.