Hoskin, Peter, and Wendy Makin. "Metastatic disease of the thorax." Oncology for Palliative Medicine. : Oxford University Press, 2003-08-28. Oxford Scholarship Online. 2011-11-17. Date Accessed 20 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780192628114.001.0001/acprof-9780192628114-chapter-23>.
Hoskin, P., & Makin, W.(2003-08-28). Metastatic disease of the thorax. In Oncology for Palliative Medicine. : Oxford University Press. Retrieved 20 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780192628114.001.0001/acprof-9780192628114-chapter-23.
Hoskin, Peter, and Wendy Makin. "Metastatic disease of the thorax." In Oncology for Palliative Medicine. : Oxford University Press, 2003-08-28. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780192628114.001.0001/acprof-9780192628114-chapter-23.
Hoskin P, Makin W. Metastatic disease of the thorax. In: Hoskin P, Makin W. Oncology for Palliative Medicine. Oxford University Press; 2003. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780192628114.001.0001/acprof-9780192628114-chapter-23. Accessed June 20, 2013.