publisher: Bobbs-Merrill
publish date: January 1st 1973
format: hardcover pages: 442
language: English
ISBN:
0672514974 (9780672514975)
publisher: Bobbs-Merrill
publish date: January 1st 1973
format: paperback pages: 442
language: English
ISBN:
0672600382 (9780672600388)