COLIN BLAKEMORE and SHELIA JENNETT. "blister." The Oxford Companion to the Body. Oxford University Press. 2001. Encyclopedia.com. 22 Nov. 2009 <http://www.encyclopedia.com>.
COLIN BLAKEMORE and SHELIA JENNETT. "blister." The Oxford Companion to the Body. Oxford University Press. 2001. Encyclopedia.com. (November 22, 2009). http://www.encyclopedia.com/doc/1O128-blister.html
COLIN BLAKEMORE and SHELIA JENNETT. "blister." The Oxford Companion to the Body. Oxford University Press. 2001. Retrieved November 22, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O128-blister.html