KOLONEL, LAURENCE N., and LYNNE R. WILKENS. "Migrant Studies." Cancer Epidemiology and Prevention. : Oxford University Press, 2006-10-12. Oxford Scholarship Online. 2009-09-01. Date Accessed 19 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-11>.
KOLONEL, L., & WILKENS, L.(2006-10-12). Migrant Studies. In Cancer Epidemiology and Prevention. : Oxford University Press. Retrieved 19 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195149616.001.0001/acprof-9780195149616-chapter-11.
KOLONEL, LAURENCE N., and LYNNE R. WILKENS. "Migrant Studies." 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-11.
KOLONEL LN, WILKENS LR. Migrant Studies. 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-11. Accessed May 19, 2013.