Alexander, M., & Kusleika, D. W. (2019). Excel 2019 Bible. Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Alexander, Michael, agus Dick Walkenbach Kusleika. Excel 2019 Bible. Indiana: Wiley & Sons, 2019.
Lua MLA (9ú heag.)Alexander, Michael, agus Dick Walkenbach Kusleika. Excel 2019 Bible. Wiley & Sons, 2019.
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