Cita APA (7th ed.)
Walkenbach, J. (2013). 101 excel 2013 tips, tricks & timesavers. Wiley.
Cita Chicago (17th ed.)
Walkenbach, John. 101 Excel 2013 Tips, Tricks & Timesavers. Hoboken, N.J.: Wiley, 2013.
Cita MLA (9th ed.)
Walkenbach, John. 101 Excel 2013 Tips, Tricks & Timesavers. Wiley, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.