Biow, L. (1988). Quattro: The professional spreadsheet made easy. Borland-Osborne/McGraw-Hill.
Cita Chicago (17th ed.)Biow, Lisa. Quattro: The Professional Spreadsheet Made Easy. [Berkeley, Calif.]: Borland-Osborne/McGraw-Hill, 1988.
Cita MLA (9th ed.)Biow, Lisa. Quattro: The Professional Spreadsheet Made Easy. Borland-Osborne/McGraw-Hill, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.