SIMPSON ALAN. (1986). ADVANCED TECHNIQUES IN DBASE III PLUS. BPB PUBLICATIONS.
Chicago Style (17. basım) AtıfSIMPSON ALAN. ADVANCED TECHNIQUES IN DBASE III PLUS. DELHI: BPB PUBLICATIONS, 1986.
MLA (9th ed.) AtıfSIMPSON ALAN. ADVANCED TECHNIQUES IN DBASE III PLUS. BPB PUBLICATIONS, 1986.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..