T. F. HOAD. "trespass." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 21 Dec. 2009 <http://www.encyclopedia.com>.
T. F. HOAD. "trespass." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (December 21, 2009). http://www.encyclopedia.com/doc/1O27-trespass.html
T. F. HOAD. "trespass." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved December 21, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-trespass.html