publisher: Cambridge University Press publish date: June 21st 1979
format: paperback pages: 204
language: English
ISBN:
0521295092 (9780521295093)
publisher: Cambridge University Press publish date: June 29th 1979
format: hardcover pages: 200
language: English
ISBN:
0521223067 (9780521223065)
publisher: Twayne Publishers publish date: November 1st 1986
format: hardcover pages: 165
language: English
ISBN:
0805766308 (9780805766301)