Cita APA (7a ed.)
Etheridge, D. Microsoft Office Excel 2007. John Wiley & Sons, Incorporated.
Cita Chicago Style (17a ed.)
Etheridge, Denise. Microsoft Office Excel 2007. US: John Wiley & Sons, Incorporated.
Cita MLA (9a ed.)
Etheridge, Denise. Microsoft Office Excel 2007. John Wiley & Sons, Incorporated.
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