Texas Labor Market Review, July 2007, periodical, July 2007; (https://texashistory.unt.edu/ark:/67531/metapth1624202/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Texas Labor Market Review, July 2007, periodical, July 2007; (https://texashistory.unt.edu/ark:/67531/metapth1624202/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .