Principles of microeconomics : readings, issues and cases. - 3rd edition. - New York : W.W. Norton & Company, c1980. - 325 pages : Illustrations ; 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: Microeconomics. LC Class. No.: HB171.5 / .M2715 1980 Dewey Class. No.: 338.5