"Horses." -Ologies and -Isms. Gale. 1986. Encyclopedia.com. 25 Dec. 2009 <http://www.encyclopedia.com>.
"Horses." -Ologies and -Isms. Gale. 1986. Encyclopedia.com. (December 25, 2009). http://www.encyclopedia.com/doc/1G2-2505200222.html
"Horses." -Ologies and -Isms. Gale. 1986. Retrieved December 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-2505200222.html