language: English
ISBN:
0830410287 (9780830410286)
publisher: Nelson Hall Publishers, US publish date: December 1st 1985
format: paperback pages: 344
language: English
ISBN:
0830411518 (9780830411511)
publisher: Wadsworth Publishing Company
format: paperback pages: 320
language: English
ISBN:
0830412883 (9780830412884)