Indian standards institution . ISI. (1982). Glossary of terms relating to cement concrete ,Part-1 concrete aggregates,IS: 6461-1972. Indian Standards Institution.
Citación estilo ChicagoIndian standards institution . ISI. Glossary of Terms Relating to Cement Concrete ,Part-1 Concrete Aggregates,IS: 6461-1972. New Delhi: Indian Standards Institution, 1982.
Cita MLAIndian standards institution . ISI. Glossary of Terms Relating to Cement Concrete ,Part-1 Concrete Aggregates,IS: 6461-1972. Indian Standards Institution, 1982.