Cita APA (7a ed.)

SIMPSON ALAN. (1986). UNDERSTANDING DBASE 111 PLUS. BPB PUBLICATIONS.

Cita Chicago Style (17a ed.)

SIMPSON ALAN. UNDERSTANDING DBASE 111 PLUS. DELHI: BPB PUBLICATIONS, 1986.

Cita MLA (9a ed.)

SIMPSON ALAN. UNDERSTANDING DBASE 111 PLUS. BPB PUBLICATIONS, 1986.