KOCH GEORGE. (1993). ORACLE 7: THE COMPLETE REFERENCE. OSBORNE MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)KOCH GEORGE. ORACLE 7: THE COMPLETE REFERENCE. BERKELEY USA: OSBORNE MCGRAW-HILL, 1993.
Lua MLA (9ú heag.)KOCH GEORGE. ORACLE 7: THE COMPLETE REFERENCE. OSBORNE MCGRAW-HILL, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.