Indian standards institution . ISI. (1976). Classification of soil for testing of agricultural machinery IS: 7926-1975. Indian standards institution.
Chicago Edition CitationIndian standards institution . ISI. Classification of Soil for Testing of Agricultural Machinery IS: 7926-1975. New Delhi: Indian standards institution, 1976.
MLA Edition CitationIndian standards institution . ISI. Classification of Soil for Testing of Agricultural Machinery IS: 7926-1975. Indian standards institution, 1976.