@book{7820,
	author = {Newstrom, John W.},
	title = {Supervision: managing for results. /},
	publisher = {McGraw-Hill/Irwin,},
	year = {2007.},
	address = {Boston:},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0634/2005052280-d.html}
}