Duff, K., Beglinger, L. J., Moser, D. J., Paulsen, J. S., Schultz, S. K., & Arndt, S. (2010). Predicting Cognitive Change in Older Adults: The Relative Contribution of Practice Effects. Oxford University Press.

Duff, Kevin, Leigh J. Beglinger, David J. Moser, Jane S. Paulsen, Susan K. Schultz, and Stephan Arndt. Predicting Cognitive Change in Older Adults: The Relative Contribution of Practice Effects. Oxford University Press, 2010.

Duff, Kevin, et al. Predicting Cognitive Change in Older Adults: The Relative Contribution of Practice Effects. Oxford University Press, 2010.