London; New York: Routledge, Taylor & Francis Group, 2016

Harlow; Munich [u.a.]: Pearson Longman, 2009

New York, NY [u.a.]: Harvester Wheatsheaf, 1994

London: Chapman, 1994

London [u.a.]: Arnold, 1997

Oxford [u.a.]: Clarendon Pr., 1988

London; New York: Routledge, Taylor & Francis Group, 2021

Abingdon, Oxon; New York, NY: Routledge, 2019

London; New York: Routledge, Taylor & Francis Group, 2015

London [u.a.]: Routledge, 2014

Harlow; Munich [u.a.]: Pearson, 2012

Edinburgh: Edinburgh Univ. Press, 2010

Malden, Mass. [u.a.]: Blackwell Publ., 2003

Edinburgh: Edinburgh Univ. Press, 1996

Oxford [u.a.]: Blackwell Business, 1993

New York, NY [u.a.]: Harvester Wheatsheaf, 1994

London [u.a.]: Routledge, 1995

Cambridge [u.a.]: Cambridge University Press, 2009

Boston: Twayne Publishers, 1991

Buckingham [u.a.]: Open Univ. Press, 2002