Walkenbach, J. (2015). Microsoft Excel 2016 Bible. Wiley.
Cita Chicago (17th ed.)Walkenbach, John. Microsoft Excel 2016 Bible. Wiley, 2015.
Cita MLA (9th ed.)Walkenbach, John. Microsoft Excel 2016 Bible. Wiley, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.