Cita APA (7th ed.)

O'Leary, T. J., & O'Leary, L. (1994). Microsoft Excel 4.0 for Windows. McGraw-Hill.

Cita Chicago (17th ed.)

O'Leary, Timothy J., i Linda O'Leary. Microsoft Excel 4.0 for Windows. New York: McGraw-Hill, 1994.

Cita MLA (9th ed.)

O'Leary, Timothy J., i Linda O'Leary. Microsoft Excel 4.0 for Windows. McGraw-Hill, 1994.