(1983). Studies in environmental mathematics Perspective and appoaches. South Asian Pub.
Chicago Style (17th ed.) ZitazioaStudies in Environmental Mathematics Perspective and Appoaches. New Delhi: South Asian Pub, 1983.
MLA (9th ed.) ZitazioaStudies in Environmental Mathematics Perspective and Appoaches. South Asian Pub, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.