McConnell, Campbell R Economics : principles, problems, and policies / Campbell R. McConnell. - 10th ed. - New York : McGraw-Holl Book, c1987. - xxxi, 972 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 0070449589 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .M32 1987