@book{21310,
	author = {Hubbard, R. Glenn. and O'Brien, Anthony Patrick.},
	title = {Microeconomics /},
	publisher = {Pearson,},
	year = {2013.},
	series = {The Pearson series in economics},
	address = {Boston :},
	edition = {4th ed.},
	note = {Includes bibliographical references and index.}
}