- Author: Philip B. Meggs Alston W. Purvis
- Language: English
- Year: 2005
- Author: Philip B. Meggs, Alston W. Purvis
- Language: Spanish
- Year: 2009
- Author: Philip B. Meggs Alston W. Purvis
- Language: English
- Year: 2016
- Author: Philip B. Meggs, Alston W. Purvis
- Language: English
- Year: 2016
- Author: Philip B. Meggs Alston W. Purvis
- Language: English
- Year: 2011
- Author: Philip B.Meggs Alston W.Purvis
- Language: English
- Year: 2011
- Author: Philip B. Meggs Alston W. Purvis
- Language: Spanish
- Year: 2009
- Author: Philip B. Meggs Alston W. Purvis
- Language: Portuguese
- Year: 2009
- Author: Philip B. Meggs Alston W. Purvis
- Language: English
- Year: 2011
- Author: Philip B. Meggs Alston W. Purvis
- Language: English
- Year: 2011