Oxford/Cambridge, Blackwell 1994

Oxford/Cambridge, Blackwell 1992

Oxford-Cambridge (Mass, ), Blackwell 1993

Oxford and Cambridge: Blackwell Publishers 1997

1993

Oxford, Cambridge, USA : Blackwell, 1988, 1993

Cambridge/Oxford, Blackwell Publishers 1997

Cambridge [MA]-Oxford, Blackwell Publishers. 1992

Cambridge/Oxford/London/Edinburgh/Carlton, Blackwell Science 1996