@article{381539,
      author = {Gert, Bernard,},
      url = {http://library.usi.edu/record/381539},
      title = {Morality its nature and justification / [electronic  resource] :},
      publisher = {Oxford University Press,},
      recid = {381539},
      pages = {xvi, 438 p. ;},
      address = {Oxford ;},
      year = {2005},
}