Bilkey, David K. " Neocortical Influences on Hippocampal Place Cells." Hippocampal Place Fields: Relevance to Learning and Memory. : Oxford University Press, 2008-03-20. Oxford Scholarship Online. 2008-05-01. Date Accessed 18 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195323245.001.0001/acprof-9780195323245-chapter-16>.
Bilkey, D.(2008-03-20). Neocortical Influences on Hippocampal Place Cells. In Hippocampal Place Fields: Relevance to Learning and Memory. : Oxford University Press. Retrieved 18 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195323245.001.0001/acprof-9780195323245-chapter-16.
Bilkey, David K. " Neocortical Influences on Hippocampal Place Cells." In Hippocampal Place Fields: Relevance to Learning and Memory. : Oxford University Press, 2008-03-20. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195323245.001.0001/acprof-9780195323245-chapter-16.
Bilkey DK. Neocortical Influences on Hippocampal Place Cells. In: Mizumori SJY. Hippocampal Place Fields: Relevance to Learning and Memory. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195323245.001.0001/acprof-9780195323245-chapter-16. Accessed June 18, 2013.