Cita APA (7th ed.)

Simpson, A., & Thomson, K. J. (1990). dBase III Plus. Anaya Multimedia.

Cita Chicago (17th ed.)

Simpson, Alan, i Kenneth J. Thomson. DBase III Plus. Madrid: Anaya Multimedia, 1990.

Cita MLA (9th ed.)

Simpson, Alan, i Kenneth J. Thomson. DBase III Plus. Anaya Multimedia, 1990.