Clayton, Gary E A guide to everyday economic statistics / Gary E. Clayton, Martin Gerhard Giesbrecht. - 2nd ed. - New York : McGraw-Hill Pub. Co., c1992. New York : McGraw-Hill Pub. Co., c1992. - 136 p. : ill. ; 23 cm. ISBN: 0070113270 Subjects--Topical Terms: Economics -- Statistical methods.