Texas. Legislature. House of Representatives.. 78th Texas Legislature, Regular Session, House Bill 3074, Chapter 1137, Legislative Document, June 2003; digital images, (http://texashistory.unt.edu/ark:/67531/metapth158580/ : accessed May 25, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries Government Documents Department, Denton, Texas.
