Samuelson, Paul A. Economics / Paul A. Samuelson, William D. Nordhaus. - 18th edition. - Boston : McGraw-Hill Book Company, c2005. - xxiv, 776 pages : illustrations (some colored ; 27 cm. Includes index. Includes bibliographical references and index. ISBN: 0071247963 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .S25 2005 Dewey Class. No.: 330