@article{137229,
      author = {Locke, Edwin A. and Kirkpatrick, Shelley.},
      url = {http://library.usi.edu/record/137229},
      title = {The essence of leadership : the four keys to leading  successfully /},
      publisher = {Lexington Books ;},
      recid = {137229},
      pages = {xiv, 120 p. ;},
      address = {New York :},
      year = {1991},
}