@article{804298,
      author = {Calca, Patrícia, and Belim, Célia,},
      url = {http://library.usi.edu/record/804298},
      title = {Image of U.S. presidential administrations : the cases of  George W. Bush and Barack Obama /},
      recid = {804298},
      pages = {1 online resource (268 pages)},
}