APA (7. basım) Alıntı

SIMPSON ALAN. (1989). UNDERSTANDING DBASE IV. BPB PUBLICATIONS.

Chicago Style (17. basım) Atıf

SIMPSON ALAN. UNDERSTANDING DBASE IV. DELHI: BPB PUBLICATIONS, 1989.

MLA (9th ed.) Atıf

SIMPSON ALAN. UNDERSTANDING DBASE IV. BPB PUBLICATIONS, 1989.