Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.