@book{199722,
	author = {Rue, Leslie W. and Byars, Lloyd L.},
	title = {Supervision, key link to productivity},
	publisher = {McGraw-Hill},
	year = {2007.},
	address = {Boston, Mass.},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0626/2005056120-d.html}
}