Rich, J. D., Boutwell, A. E., Shield, D. C., Key, R. G., McKenzie, M., Clarke, J. G., & Friedmann, P. D. (2005). Attitudes and practices regarding the use of methadone in US State and federal prisons. Springer-Verlag.

Rich, Josiah D., Amy E. Boutwell, David C. Shield, R. Garrett Key, Michelle McKenzie, Jennifer G. Clarke, and Peter D. Friedmann. Attitudes and Practices Regarding the Use of Methadone in US State and Federal Prisons. Springer-Verlag, 2005.

Rich, Josiah D., et al. Attitudes and Practices Regarding the Use of Methadone in US State and Federal Prisons. Springer-Verlag, 2005.