Hubbard, R. Glenn. Essentials for economics / R. Glenn Hubbard, Anthony Patrick O'Brien. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2007. - xxxiii, 599 p. : ill., maps (some col.) ; 29 cm. ISBN: 0132309246 9780132309240 Subjects--Topical Terms: Economics. LC Class. No.: HB171 / .H83 2007 Dewey Class. No.: 330