Ghosh, G. (1991). Environment: A spiritual dimension. Ashish Pub.
Chicago Style (17th ed.) ZitazioaGhosh, G.K. Environment: A Spiritual Dimension. New Delhi: Ashish Pub, 1991.
MLA (9th ed.) ZitazioaGhosh, G.K. Environment: A Spiritual Dimension. Ashish Pub, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.