Mankiw, N. Gregory. Principles of economics / N. Gregory Mankiw. - Seventh edition. - Singapore Cengage Learning 2015 - 847 p. 26 cm. Includes index. ISBN: 9781285165875 LCCN: 2013944588 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .M264 2015 Dewey Class. No.: 330