Malden, MA : Blackwell Pub., 2006

Oxford : Oxford University Press, 2001

Oxford ; New York : Oxford University Press, 2009

Cambridge, UK ; New York : Cambridge University Press, 2004
1st ed.

Cambridge, UK ; New York : Cambridge University Press, 2009
2nd ed.

Cambridge ; New York : Cambridge University Press, 1995
1st ed.

Malden, MA ; Oxford : Wiley-Blackwell Pub., 2009

Cambridge, UK ; New York : Cambridge University Press, 2004
1st ed.

London, New York, Macmillan; St. Martin's Press, 1962

Cambridge, UK ; New York : Cambridge University Press, 2004
1st ed.

Malden, MA : Blackwell Pub., 2006

Cambridge, U.K. ; New York : Cambridge University Press, 2002
1st ed.

Cambridge ; New York : Cambridge University Press, 2002
1st ed.

Broomall, PA : Chelsea House Publishers, 1999

Cambridge, U.K. ; New York : Cambridge University Press, 2003
2nd ed.

Cambridge, UK ; New York : Cambridge University Press, 2006
1st ed.

Cambridge, U.K. ; New York : Cambridge University Press, 2003
1st ed.

Cambridge, UK ; New York : Cambridge University Press, 2007

Cambridge, UK ; New York : Cambridge University Press, 2004
1st ed.

New York : Oxford University Press, 2000