LeBlond, G. T. (1989). dBASE IV: The complete reference. Osborne McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LeBlond, Geoffrey T. DBASE IV: The Complete Reference. Berkeley, Calif: Osborne McGraw-Hill, 1989.
Lua MLA (9ú heag.)LeBlond, Geoffrey T. DBASE IV: The Complete Reference. Osborne McGraw-Hill, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.