Byers, R. A., & Prague, C. N. (1989). Everyman's database primer featuring dBASE IV. Ashton-Tate.
Citación estilo ChicagoByers, Robert A., and Cary N. Prague. Everyman's Database Primer Featuring DBASE IV. Torrance, Calif: Ashton-Tate, 1989.
Cita MLAByers, Robert A., and Cary N. Prague. Everyman's Database Primer Featuring DBASE IV. Ashton-Tate, 1989.
Warning: These citations may not always be 100% accurate.