Clayton, Gary E. A guide to everyday economic statistics / Gary E. Clayton and Martin Gerhard Giesbrecht. - 4th ed. - Boston : McGraw-Hill Pub. Co., c1997. - 140 pages : illustrations ; 23 cm. Includes bibliographical references and index. ISBN: 0071093087 LCCN: 95161855 Subjects--Topical Terms: Economics--Statistical methods. Dewey Class. No.: 330.0727 CLA