Cita APA (7th ed.)

Koers, D. (2007). Excel 2007 just the steps for dummies. Wiley Pub.

Cita Chicago (17th ed.)

Koers, Diane. Excel 2007 Just the Steps for Dummies. Hoboken, NJ: Wiley Pub, 2007.

Cita MLA (8th ed.)

Koers, Diane. Excel 2007 Just the Steps for Dummies. Wiley Pub, 2007.