@book{331,
	author = {Anderson, David R. and Sweeney, Dennis J.,},
	title = {Essentials of statistics for business and economics /  David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann.},
	year = {c2020},
	address = {Australia :},
	edition = {9th },
	note = {Includes index}
}