Hardwick, Philip. An introduction to modern economics / Philip Hardwick, Bahadur Khan, John Langmead. - 5th ed. - London ; New York : Longman, 1999. - xvii, 690 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0582357152 LCCN: 93005934 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .H3254 1994 Dewey Class. No.: 330