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- Language: English
- Year: 2004
- Author: Peter Fischer
- Language: English
- Year: 2004
- Author: Glencoe McGraw-Hill
- Language: English
- Year: 2007
- Author: The Princeton Review
- Language: English
- Year: 2001
- Author: Gregg Dingrando
- Language: English
- Year: 2002
- Author: Thandi Buthelezi Laurel Dingrando Nicholas Hainen Cheryl Wistrom Dinah Zike
- Language: English
- Year: 2008
- Author: McGraw-Hill
- Language: English
- Year: 2005
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