APA
Indian Standards Institution, . (1985). Specification for concrete masonry units. New Delhi: Indian Standards Institution.
Chicago
Indian Standards Institution, . 1985. Specification for concrete masonry units. New Delhi: Indian Standards Institution.
Harvard
Indian Standards Institution, . (1985). Specification for concrete masonry units. New Delhi: Indian Standards Institution.
MLA
Indian Standards Institution, . Specification for concrete masonry units. New Delhi: Indian Standards Institution. 1985.