Walstad, William B. Economics : study guide to accompany McConnell and Brue / William B. Walstad and Robert C. Bingham - 13th ed. - Boston : McGraw-Hill, c1996. - xii, 525 p. : ill. ; 26 cm. ISBN: 0070468214 LCCN: Subjects--Topical Terms: Economics. LC Class. No.: HB74.8 / .W34 1996