Hirschey, Mark. Managerial economics / by Mark Hirschey - 12th ed. - New Delhi : Cengage Learning, 2009. - xxvii, 836 p. : illu. ; 27 cm. Includes bibliographical references and index. ISBN: 9788131519424 (pbk.) Subjects--Topical Terms: Managerial economics. Dewey Class. No.: 338.502 / HIR/M