Politser, Peter. "Introduction: Toward a Biological Science of Making Choices." Neuroeconomics: A guide to the new science of making choices. : Oxford University Press, 2008-03-20. Oxford Scholarship Online. 2008-05-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195305821.001.0001/acprof-9780195305821-chapter-1>.
Politser, P.(2008-03-20). Introduction: Toward a Biological Science of Making Choices. In Neuroeconomics: A guide to the new science of making choices. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195305821.001.0001/acprof-9780195305821-chapter-1.
Politser, Peter. "Introduction: Toward a Biological Science of Making Choices." In Neuroeconomics: A guide to the new science of making choices. : Oxford University Press, 2008-03-20. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195305821.001.0001/acprof-9780195305821-chapter-1.
Politser P. Introduction: Toward a Biological Science of Making Choices. In: Politser P. Neuroeconomics: A guide to the new science of making choices. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195305821.001.0001/acprof-9780195305821-chapter-1. Accessed May 25, 2013.