Cita APA (7th ed.)
Viescas, J. (1990). Programmer's quick refence series: DBASE IV (ed.). Microsoft Press.
Cita Chicago (17th ed.)
Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Washington: Microsoft Press, 1990.
Cita MLA (9th ed.)
Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Microsoft Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.