Cita APA (7th ed.)
Hutchinson, S. E., & Sawyer, S. C. (1993). Dbase III plus. Irwin.
Cita Chicago (17th ed.)
Hutchinson, Sarah E., i Stacey C. Sawyer. Dbase III Plus. Illinois: Irwin, 1993.
Cita MLA (9th ed.)
Hutchinson, Sarah E., i Stacey C. Sawyer. Dbase III Plus. Irwin, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.