@book{36539,
	author = {Adkins, Lee C.  and Hill, R.Carter.},
	title = {Using Stata for Principles of Econometrics/},
	publisher = {John Wiley and Sons, Inc.,},
	year = {c2008.},
	address = {New Jersey:},
	edition = {3rd ed.-},
	note = {includes index}
}