Cita APA (7th ed.)

Laudon, K. C. Interactive computing software skills: Microsoft Excel 97.

Cita Chicago (17th ed.)

Laudon, Kenneth C. Interactive Computing Software Skills: Microsoft Excel 97.

Cita MLA (9th ed.)

Laudon, Kenneth C. Interactive Computing Software Skills: Microsoft Excel 97.

Atenció: Aquestes cites poden no estar 100% correctes.