Gaskin, S., & Vargas, A. (2008). GO! with Excel 2007 brief. Prentice Hall Pearson.
Cita Chicago (17th ed.)Gaskin, Shelley, i Alicia Vargas. GO! with Excel 2007 Brief. Upper Saddle River, N.J: Prentice Hall Pearson, 2008.
Cita MLA (9th ed.)Gaskin, Shelley, i Alicia Vargas. GO! with Excel 2007 Brief. Prentice Hall Pearson, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.