APA
Indian Standards Institution, . (1979). Method for determination of modulus of elasticity and Poisson`s ratio of rock materials in uniaxial compression IS:9221-1979. New Delhi: Indian Standards Institution.
Chicago
Indian Standards Institution, . 1979. Method for determination of modulus of elasticity and Poisson`s ratio of rock materials in uniaxial compression IS:9221-1979. New Delhi: Indian Standards Institution.
Harvard
Indian Standards Institution, . (1979). Method for determination of modulus of elasticity and Poisson`s ratio of rock materials in uniaxial compression IS:9221-1979. New Delhi: Indian Standards Institution.
MLA
Indian Standards Institution, . Method for determination of modulus of elasticity and Poisson`s ratio of rock materials in uniaxial compression IS:9221-1979. New Delhi: Indian Standards Institution. 1979.