Cita APA (7th ed.)

Stone, D. L. (1989). dBase IV quick reference. Que Corp.

Cita Chicago (17th ed.)

Stone, Deborah L. DBase IV Quick Reference. Carmel, Ind: Que Corp, 1989.

Cita MLA (9th ed.)

Stone, Deborah L. DBase IV Quick Reference. Que Corp, 1989.