- Author: Larry J. Siegel, John L. Worrall
- Language: English
- Year: 2014
- Author: Larry J. Siegel, John L. Worrall
- Language: English
- Year: 2016
- Author: Larry J. Siegel, John L. Worrall
- Language: English
- Year: 2015
- Author: Larry J. Siegel, John L. Worrall
- Language: English
- Year: 2016
- Author: Larry J. Siegel John L. Worrall
- Language: English
- Year: 2012
- Author: Larry J. Siegel John L. Worrall
- Language: English
- Year: 2011