Roger chisholm Principles of economics / - Cincinnati, Ohio : South-Western Pub. Co., c1992. - xxiv, 959 p. : col. ill., col. maps ; 27 cm. Includes bibliographical references and index. ISBN: 0538813059 LCCN: 91018992 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .A397 1992 Dewey Class. No.: 330