- ISBN: 0406005710
- Butterworths
- 1993
- Details
- ISBN: 0406981388
- Butterworths
- 1999
- Details
- ISBN: 0406959625
- LexisNexis UK
- 2003
- Details
- ISBN: 9781845927783
- Tottel Pub.
- 2008
- Details
- ISBN: 9781847667045
- Bloomsbury Professional
- 2013
- Details