Nicholls, Paul, and Ian Young. OCL Lipid Disorders. New York, NY: Oxford University Press, 2009-03-26. Oxford Medicine. 201105. Date Accessed 25 May. 2013 <http://oxfordmedicine.com/view/10.1093/med/9780199569656.001.0001/med-9780199569656>.
Nicholls, P., & Young, I.(2009-03-26). OCL Lipid Disorders. New York, NY: Oxford University Press. Retrieved 25 May. 2013, from http://oxfordmedicine.com/view/10.1093/med/9780199569656.001.0001/med-9780199569656.
Nicholls, Paul, and Ian Young. OCL Lipid Disorders. New York, NY: Oxford University Press, 2009-03-26. http://oxfordmedicine.com/view/10.1093/med/9780199569656.001.0001/med-9780199569656.
Nicholls P, Young I. OCL Lipid Disorders. New York, NY: Oxford University Press; 2009. http://oxfordmedicine.com/view/10.1093/med/9780199569656.001.0001/med-9780199569656. Accessed May 25, 2013.