Measuring Plant Diversity: Lessons from the Field. : Oxford University Press, 2006-11-30. Oxford Scholarship Online. 2007-09-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195172331.001.0001/acprof-9780195172331>.
(2006-11-30). Measuring Plant Diversity: Lessons from the Field. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195172331.001.0001/acprof-9780195172331.
Measuring Plant Diversity: Lessons from the Field. : Oxford University Press, 2006-11-30. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195172331.001.0001/acprof-9780195172331.
Stohlgren TJ. Measuring Plant Diversity: Lessons from the Field. Oxford University Press; 2006. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195172331.001.0001/acprof-9780195172331. Accessed May 25, 2013.