APA (7th ed.) Citation

Koers. (2006). Excel 2007 just the steps for dummies. Wiley Pub, Inc.

Chicago Style (17th ed.) Citation

Koers. Excel 2007 Just the Steps for Dummies. Hoboken, NJ: Wiley Pub, Inc, 2006.

MLA (9th ed.) Citation

Koers. Excel 2007 Just the Steps for Dummies. Wiley Pub, Inc, 2006.

Warning: These citations may not always be 100% accurate.