publisher: Brooks/Cole publish date: December 1981
format: paperback pages: 367
language: English
ISBN:
081850210X (9780818502101)
publisher: HarperCollins publish date: April 28th 1991
format: hardcover pages: 790
language: English
ISBN:
0673520641 (9780673520647)
format: paperback pages: 417
language: English
ISBN:
0673521400 (9780673521408)