Haag, S., & Perry, J. T. (2002). Microsoft Excel 2002: Introductory. McGraw-Hill/Irwin.
Cita Chicago (17th ed.)Haag, Stephen, i James T. Perry. Microsoft Excel 2002: Introductory. Boston, MA: McGraw-Hill/Irwin, 2002.
Cita MLA (8th ed.)Haag, Stephen, i James T. Perry. Microsoft Excel 2002: Introductory. McGraw-Hill/Irwin, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.