SIMPSON ALAN. (1988). DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. BPB PUBLICATIONS.
Citazione stile Chigago Style (17a edizione)SIMPSON ALAN. DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. NEW DELHI: BPB PUBLICATIONS, 1988.
Citatione MLA (9a ed.)SIMPSON ALAN. DBASE INSTANT REFRENCE FOR DBASE III AND III PLUS. BPB PUBLICATIONS, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.