Anxiety, Depression, and Emotion. : Oxford University Press, 2000-08-24. Oxford Scholarship Online. 2012-03-22. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195133585.001.0001/acprof-9780195133585>.
(2000-08-24). Anxiety, Depression, and Emotion. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195133585.001.0001/acprof-9780195133585.
Anxiety, Depression, and Emotion. : Oxford University Press, 2000-08-24. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195133585.001.0001/acprof-9780195133585.
Davidson RJ. Anxiety, Depression, and Emotion. Oxford University Press; 2000. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195133585.001.0001/acprof-9780195133585. Accessed May 25, 2013.