@book{27163,
	author = {Bass, Bernard M. and Stogdill, Ralph Melvin and Bass and stogdills handbook of ledership},
	title = {Bass & stogdill's handbook of leadership : theory research, and managerial apllications  /},
	publisher = {The Free Press, },
	year = {1990},
	address = {New York  },
	edition = {3a ed.}
}