BALLARD-BARBASH, RACHEL, CHRISTINE FRIEDENREICH, MARTHA SLATTERY, and INGER THUNE. "Obesity and Body Composition." Cancer Epidemiology and Prevention. : Oxford University Press, 2006-10-12. Oxford Scholarship Online. 2009-09-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-22>.
BALLARD-BARBASH, R., FRIEDENREICH, C., SLATTERY, M., & THUNE, I.(2006-10-12). Obesity and Body Composition. In Cancer Epidemiology and Prevention. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-22.
BALLARD-BARBASH, RACHEL, CHRISTINE FRIEDENREICH, MARTHA SLATTERY, and INGER THUNE. "Obesity and Body Composition." In Cancer Epidemiology and Prevention. : Oxford University Press, 2006-10-12. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-22.
BALLARD-BARBASH R, FRIEDENREICH C, SLATTERY M, THUNE I. Obesity and Body Composition. In: Schottenfeld D, Fraumeni JF. Cancer Epidemiology and Prevention. Oxford University Press; 2006. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-22. Accessed May 25, 2013.