SIMPSON ALAN. (1988). DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. BPB PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)SIMPSON ALAN. DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. NEW DELHI: BPB PUBLICATIONS, 1988.
MLA način citiranja (9. izdanje)SIMPSON ALAN. DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. BPB PUBLICATIONS, 1988.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.