Walkenbach, J. (2015). Microsoft Excel 2013 Bible. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)Walkenbach, John. Microsoft Excel 2013 Bible. New delhi: John Wiley and Sons, 2015.
Lua MLA (9ú heag.)Walkenbach, John. Microsoft Excel 2013 Bible. John Wiley and Sons, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.