Doyon, Julien, and Leslie G. Ungerleider. "Plasticity in Adult M1 Cortex During Motor Skill Learning." Filling-In: From Perceptual Completion to Cortical Reorganization. : Oxford University Press, 2003-04-10. Oxford Scholarship Online. 2009-05-01. Date Accessed 18 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195140132.001.0001/acprof-9780195140132-chapter-13>.
Doyon, J., & G. Ungerleider, L.(2003-04-10). Plasticity in Adult M1 Cortex During Motor Skill Learning. In Filling-In: From Perceptual Completion to Cortical Reorganization. : Oxford University Press. Retrieved 18 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195140132.001.0001/acprof-9780195140132-chapter-13.
Doyon, Julien, and Leslie G. Ungerleider. "Plasticity in Adult M1 Cortex During Motor Skill Learning." In Filling-In: From Perceptual Completion to Cortical Reorganization. : Oxford University Press, 2003-04-10. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195140132.001.0001/acprof-9780195140132-chapter-13.
Doyon J, G. Ungerleider L. Plasticity in Adult M1 Cortex During Motor Skill Learning. In: Pessoa L, De Weerd P. Filling-In: From Perceptual Completion to Cortical Reorganization. Oxford University Press; 2003. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195140132.001.0001/acprof-9780195140132-chapter-13. Accessed May 18, 2013.