publisher: Open University Press publish date: July 1st 2006
format: hardcover pages: 251
language: English
ISBN:
0335213669 (9780335213665)
publisher: Open University Press publish date: September 1st 2004
format: paperback pages: 310
language: English
ISBN:
0335213634 (9780335213634)
publisher: Open University Press publish date: January 1st 2007
format: hardcover pages: 352
language: English
ISBN:
0335219268 (9780335219261)