Hirschey, Mark Managerial economics / Mark Hirschey and James L. Pappas. - 7th ed. - Fort Worth : Dryden Press, c1993. - xxiii, 800 p. : ill. (some col.) ; 24 cm. - The Dryden press series in economics . Includes bibliographical references and index. ISBN: 0030748046 Subjects--Topical Terms: Managerial economics. LC Class. No.: HD30.22 / .H57 1993