ISBN: 1550770322
ISBN13: 9781550770322
Binding: Paperback
List Price: $19.95
Publisher: Thompson Educational Pub
Published Date: 06/01/1991

ISBN: 0534197647
ISBN13: 9780534197643
Binding: Hardcover
List Price: $172.95
Publisher: Wadsworth Pub Co
Published Date: 12/01/1995