APA
Indian Standards Institution, . (1980). Specification for hand-operated concrete mixers, IS 5891-1970. New Delhi: Indian Standards Institution.
Chicago
Indian Standards Institution, . 1980. Specification for hand-operated concrete mixers, IS 5891-1970. New Delhi: Indian Standards Institution.
Harvard
Indian Standards Institution, . (1980). Specification for hand-operated concrete mixers, IS 5891-1970. New Delhi: Indian Standards Institution.
MLA
Indian Standards Institution, . Specification for hand-operated concrete mixers, IS 5891-1970. New Delhi: Indian Standards Institution. 1980.