@article{472586,
      author = {Sayer, R. Andrew.},
      url = {http://library.usi.edu/record/472586},
      title = {Method in social science a realist approach / [electronic  resource] :},
      publisher = {Routledge,},
      recid = {472586},
      pages = {xi, 313 p. :},
      address = {London ;},
      year = {1992},
}