publisher: Taylor & Francis, Inc. publish date: May 24th 1968
format: hardcover pages: 396
ISBN:
0714617911 (9780714617916)
publisher: Routledge, 409 pages, ebook" /> publish date: January 1st 2013
format: ebook pages: 409
ISBN:
1306107989 (9781306107983)
publisher: Routledge publish date: October 28th 2013
format: ebook pages: 398
ISBN:
1136253696 (9781136253690)