Cita APA

Garrison, C., & McGowen, M. A. (1990). dBase IV: A ready reference manual. United States of America: Addison-Wesley.

Citación estilo Chicago

Garrison, Catherine, y Mercedes A. McGowen. DBase IV: A Ready Reference Manual. United States of America: Addison-Wesley, 1990.

Cita MLA

Garrison, Catherine, y Mercedes A. McGowen. DBase IV: A Ready Reference Manual. United States of America: Addison-Wesley, 1990.