Kriegstein, Arnold R. "Determination of Cellular Phenotype and the Fundamental Organization of Cortical Layering: An Overview." The Cortical Neuron. : Oxford University Press, 1995-10-12. Oxford Scholarship Online. 2012-03-22. Date Accessed 18 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195083309.001.0001/acprof-9780195083309-chapter-13>.
Kriegstein, A.(1995-10-12). Determination of Cellular Phenotype and the Fundamental Organization of Cortical Layering: An Overview. In The Cortical Neuron. : Oxford University Press. Retrieved 18 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195083309.001.0001/acprof-9780195083309-chapter-13.
Kriegstein, Arnold R. "Determination of Cellular Phenotype and the Fundamental Organization of Cortical Layering: An Overview." In The Cortical Neuron. : Oxford University Press, 1995-10-12. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195083309.001.0001/acprof-9780195083309-chapter-13.
Kriegstein AR. Determination of Cellular Phenotype and the Fundamental Organization of Cortical Layering: An Overview. In: Gutnick MJ, Mody I. The Cortical Neuron. Oxford University Press; 1995. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195083309.001.0001/acprof-9780195083309-chapter-13. Accessed May 18, 2013.