Rocco, James R., Elisabeth A. Stetar, and Lesley Hay Wilson. "Site Conceptual Exposure Models." Radiological Risk Assessment and Environmental Analysis. : Oxford University Press, 2008-07-10. Oxford Scholarship Online. 2008-09-01. Date Accessed 18 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195127270.001.0001/acprof-9780195127270-chapter-8>.
Rocco, J., Stetar, E., & Wilson, L.(2008-07-10). Site Conceptual Exposure Models. In Radiological Risk Assessment and Environmental Analysis. : Oxford University Press. Retrieved 18 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195127270.001.0001/acprof-9780195127270-chapter-8.
Rocco, James R., Elisabeth A. Stetar, and Lesley Hay Wilson. "Site Conceptual Exposure Models." In Radiological Risk Assessment and Environmental Analysis. : Oxford University Press, 2008-07-10. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195127270.001.0001/acprof-9780195127270-chapter-8.
Rocco JR, Stetar EA, Wilson LH. Site Conceptual Exposure Models. In: Till JE, Grogan H. Radiological Risk Assessment and Environmental Analysis. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195127270.001.0001/acprof-9780195127270-chapter-8. Accessed May 18, 2013.