@article{419832,
      author = {Campbell, David. and Mason, Barry. and Barnes, Gill  Gorell.},
      url = {http://library.usi.edu/record/419832},
      title = {Perspectives on supervision [electronic resource] /},
      publisher = {Karnac,},
      recid = {419832},
      pages = {xxi, 226 p.},
      address = {London :},
      year = {2002},
}