VENTARA SOFTWARE. (1991). VENTARA SOFTWARE VERSION 4.0. VENTURA PUB.
Cita Chicago (17th ed.)VENTARA SOFTWARE. VENTARA SOFTWARE VERSION 4.0. USA: VENTURA PUB, 1991.
Cita MLA (9th ed.)VENTARA SOFTWARE. VENTARA SOFTWARE VERSION 4.0. VENTURA PUB, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.