publisher: Open University Press publish date: February 1st 1999
format: hardcover pages: 192
language: English
ISBN:
0335198325 (9780335198320)
publisher: Open University Press publish date: January 1st 1999
format: ebook
ISBN:
1281131067 (9781281131065)
publisher: Open University Press publish date: February 1st 1999
format: paperback pages: 210
language: English
ISBN:
0335198317 (9780335198313)