Mankiw, N. Gregory. Essentials of economics / N. Gregory Mankiw. - 6th ed. - Mason, OH : South-Western Cengage Learning, 2012. - xxiv, 568 p. : ill. (chiefly col.) ; 26 cm. Includes index. ISBN: 9780538453080 (hbk.) RM660.07 0538453087 (hbk.) Subjects--Topical Terms: Economics.