SIMSON ALAN. (1985). UNDERSTANDING DBASE III. BPB PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)SIMSON ALAN. UNDERSTANDING DBASE III. NEW DELHI: BPB PUBLICATIONS, 1985.
Lua MLA (9ú heag.)SIMSON ALAN. UNDERSTANDING DBASE III. BPB PUBLICATIONS, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.