Cita APA (7th ed.)

O'Leary, T. J. a. O. (1998). Microsoft excel 97. Irwin/McGraw-Hill.

Cita Chicago (17th ed.)

O'Leary, Timothy J and O'Leary. Microsoft Excel 97. Boston: Irwin/McGraw-Hill, 1998.

Cita MLA (9th ed.)

O'Leary, Timothy J and O'Leary. Microsoft Excel 97. Irwin/McGraw-Hill, 1998.