APA
Indian standards institution, . (1979). Method for the determination of unconfined compressive strength of rock materials IS:9143-1979. New Delhi: Indian standards institution.
Chicago
Indian standards institution, . 1979. Method for the determination of unconfined compressive strength of rock materials IS:9143-1979. New Delhi: Indian standards institution.
Harvard
Indian standards institution, . (1979). Method for the determination of unconfined compressive strength of rock materials IS:9143-1979. New Delhi: Indian standards institution.
MLA
Indian standards institution, . Method for the determination of unconfined compressive strength of rock materials IS:9143-1979. New Delhi: Indian standards institution. 1979.
