APA
Indian standards institution, . (1980). Method of determination of modulus of subgrade reaction ( K-value)of soils in field 9214-1979. New Delhi: Indian standards institution.
Chicago
Indian standards institution, . 1980. Method of determination of modulus of subgrade reaction ( K-value)of soils in field 9214-1979. New Delhi: Indian standards institution.
Harvard
Indian standards institution, . (1980). Method of determination of modulus of subgrade reaction ( K-value)of soils in field 9214-1979. New Delhi: Indian standards institution.
MLA
Indian standards institution, . Method of determination of modulus of subgrade reaction ( K-value)of soils in field 9214-1979. New Delhi: Indian standards institution. 1980.
