Grauer, R. T. (1989). Database management through dbase. McGraw-Hill.
Cita Chicago (17th ed.)Grauer, Robert T. Database Management Through Dbase. New York: McGraw-Hill, 1989.
Cita MLA (9th ed.)Grauer, Robert T. Database Management Through Dbase. McGraw-Hill, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.