publisher: Penguin Classics publish date: October 1st 1991
format: paperback pages: 128
language: English
ISBN:
0140445846 (9780140445848)
publisher: Advaita Ashrama
format: paperback
language: English
ISBN:
8185301948 (9788185301945)
publisher: New York University Press publish date: February 1st 2005
format: hardcover pages: 327
language: English
ISBN:
0814799388 (9780814799383)