Cita APA
Simpson, A. (1989). Understanding dBase IV (Special ed.). SYBEX.
Citación estilo Chicago
Simpson, Alan. Understanding DBase IV. Special ed. San Francisco: SYBEX, 1989.
Cita MLA
Simpson, Alan. Understanding DBase IV. Special ed. SYBEX, 1989.
Warning: These citations may not always be 100% accurate.