publisher: Methuen Publishing publish date: August 28th 1979
format: hardcover pages: 615
language: English
ISBN:
0416715109 (9780416715101)
publisher: Cambridge University Press publish date: October 1st 1968
format: hardcover pages: 804
language: English
ISBN:
0521069351 (9780521069359)
ASIN: 521069351