publisher: Pearson PTR Interactive publish date: March 1st 2001
format: paperback pages: 260
language: English
ISBN:
0582368162 (9780582368163)
publisher: Pearson Education ESL publish date: March 18th 2011
format: paperback pages: 296
language: English
ISBN:
1408205017 (9781408205013)
publisher: Longman Publishing Group publish date: January 29th 2010
format: ebook pages: 296
language: English
ISBN:
1283114925 (9781283114929)