Dyck, Richard H. "Vibrissae." The Behavior of the Laboratory Rat: A Handbook with Tests. : Oxford University Press, 2004-09-30. Oxford Scholarship Online. 2009-05-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195162851.001.0001/acprof-9780195162851-chapter-8>.
Dyck, R.(2004-09-30). Vibrissae. In The Behavior of the Laboratory Rat: A Handbook with Tests. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195162851.001.0001/acprof-9780195162851-chapter-8.
Dyck, Richard H. "Vibrissae." In The Behavior of the Laboratory Rat: A Handbook with Tests. : Oxford University Press, 2004-09-30. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195162851.001.0001/acprof-9780195162851-chapter-8.
Dyck RH. Vibrissae. In: Whishaw IQ, Kolb B. The Behavior of the Laboratory Rat: A Handbook with Tests. Oxford University Press; 2004. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195162851.001.0001/acprof-9780195162851-chapter-8. Accessed May 25, 2013.