publisher: Longman Publishing Group publish date: April 29th 1991
format: paperback pages: 444
language: English
ISBN:
0582057590 (9780582057593)
publisher: Ernest Benn publish date: 1979
format: hardcover pages: 504
language: English
ISBN:
0510000576 (9780510000578)
publisher: St. Martin's Press
format: hardcover pages: 516
language: English
ISBN:
031267029X (9780312670290)