publisher: Penguin publish date: October 29th 1970
format: paperback pages: 320
ISBN:
0140207988 (9780140207989)
publisher: Sage Publications (CA) publish date: May 27th 1992
format: hardcover pages: 173
language: English
ISBN:
0803986785 (9780803986787)
publisher: Manchester Univ Pr
publish date: August 1st 1982
format: hardcover pages: 367
ISBN:
0719008557 (9780719008559)