- Author: Hans Krueger, Dan Williams, Barbara Kaminsky, David McLean
- Language: English
- Year: 2007
- Author: David McLean, Dan Williams, Hans Krueger, Sonia Lamont
- Language: English
- Year: 2013
- Author: Dan Williams
- Language: English
- Author: Dan Williams (auth.)
- Language: English
- Year: 2015
- Author: Dan Williams
- Language: English
- Year: 2015
- Author: Dan Williams
- Language: English
- Year: 2007
