publisher: Pearson, 471 pages, Paperback" /> publish date: June 9th 1987
format: paperback pages: 471
language: English
ISBN:
0023031700 (9780023031700)
publisher: Macmillan Pub Co
publish date: January 1st 1979
format: hardcover pages: 458
language: English
ISBN:
0023031409 (9780023031403)