publisher: Routledge publish date: April 2nd 2001
format: hardcover pages: 192
language: English
ISBN:
033520676X (9780335206766)
publisher: Open University Press publish date: October 1st 2001
format: paperback pages: 258
language: English
ISBN:
0335206271 (9780335206278)
publisher: Open University Press
format: hardcover pages: 176
language: English
ISBN:
033520919X (9780335209194)