Hubbard, R. Glenn Essentials of economics / R. Glenn Hubbard and Anthony Patrick O'Brien - 3rd ed. - Boston : Pearson, c2013. - xlix, 666 p. : ill. ; 29 cm. ISBN: 9780133035865 LCCN: Subjects--Topical Terms: Economics LC Class. No.: HB171 / .H83 2013