Mankiw, N. Gregory. Principles of economics / N. Gregory Mankiw. - 5th ed. - Mason, OH : South-Western Cengage Learning, c2009. - xxxi, 872 p. : ill. (chiefly col.) ; 27 cm. ISBN: 9780324594638 (pbk. : International student ed.) Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / MAN 2009