홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
Open University Press, 2010, ISBN 9780335242399
Open University Press, 2007, 스프링 제본, ISBN 9780335223664
Open University Press, 2005, ISBN 9780335216406
McGraw-Hill Education, 2004, 양장(하드커버), ISBN 9780077109387
Open University Press, 2003, ISBN 9780335208906
Open University Press, 2001, ISBN 9780077107253
