@article{793403,
      author = {Pérez, Bertha,},
      url = {http://library.usi.edu/record/793403},
      title = {Becoming biliterate a study of two-way bilingual immersion  education / [electronic resource] :},
      publisher = {L. Erlbaum Associates,},
      recid = {793403},
      pages = {xxviii, 230 p.},
      address = {Mahwah, N.J. :},
      year = {2004},
}