@article{1410406,
      recid = {1410406},
      author = {Roberts, Bryan, and Alden, Edward, and Whitley, John,},
      title = {Managing illegal immigration to the United States : how  effective is enforcement /},
      pages = {1 online resource (76 pages) :},
      url = {http://library.usi.edu/record/1410406},
}