"Bart, Jean." The Oxford Companion to Ships and the Sea. Oxford University Press. 2006. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.
"Bart, Jean." The Oxford Companion to Ships and the Sea. Oxford University Press. 2006. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O225-BartJean.html
"Bart, Jean." The Oxford Companion to Ships and the Sea. Oxford University Press. 2006. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O225-BartJean.html