Cita APA (7th ed.)
Krehbiel, A. D., & Matthews,David A. (1991). Programming with dBase III Plus. Franklin, Beedle and Associates Incorporated.
Cita Chicago (17th ed.)
Krehbiel, Anthony D., i Matthews,David A. Programming with DBase III Plus. Wilsonville: Franklin, Beedle and Associates Incorporated, 1991.
Cita MLA (9th ed.)
Krehbiel, Anthony D., i Matthews,David A. Programming with DBase III Plus. Franklin, Beedle and Associates Incorporated, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.