Spencer, Milton H. Contemporary economics / Milton H. Spencer, Orley M. Amos, Jr. - 8th ed. - New York, N.Y. : Worth Publishers, 1993. - xxxi, 897, 14, 54 p. : ill. (some col.) ; 27 cm. Includes bibliographical references and index. ISBN: 0879016140 Subjects--Topical Terms: Economics LC Class. No.: HB171.5 Dewey Class. No.: 330