Jones, E. (1988). dBASE III plus: Power user's guide. Osborne McGraw-Hill.
Chicago Style aipamenaJones, Edward. DBASE III Plus: Power User's Guide. Berkeley, Calif: Osborne McGraw-Hill, 1988.
MLA aipamenaJones, Edward. DBASE III Plus: Power User's Guide. Osborne McGraw-Hill, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.