Cita APA (7th ed.)

Frye, C. (2004). Step by step Microsoft Office Excel 2003. Microsoft Press.

Cita Chicago (17th ed.)

Frye, Curtis. Step by Step Microsoft Office Excel 2003. Redmond, Wash: Microsoft Press, 2004.

Cita MLA (9th ed.)

Frye, Curtis. Step by Step Microsoft Office Excel 2003. Microsoft Press, 2004.