@article{907694,
      recid = {907694},
      author = {Williams, Leslie R., and Fromberg, Doris Pronin,},
      title = {Encyclopedia of early childhood education [electronic  resource] /},
      publisher = {Routledge,},
      address = {London ;},
      pages = {xvii, 518 p. :},
      year = {2012},
      url = {http://library.usi.edu/record/907694},
}