Mankiw, N. Gregory. Principles of economics / N. Gregory Mankiw. - Mason, OH : South-Western Cengage Learning, c2012. - xxxii, 856 p. : col. ill. ; 27 cm. ISBN: 0538453052 (hbk.) 9780538453059 (hbk.) Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / MAN 2012