APA
Indian Standard Institution ., . (1979). Specification for pre-stressed concrete poles for cross head power ,traction and telecommunication lines ,IS:1678-1978. New Delhi: Indian Standards Institution.
Chicago
Indian Standard Institution, . 1979. Specification for pre-stressed concrete poles for cross head power ,traction and telecommunication lines ,IS:1678-1978. New Delhi: Indian Standards Institution.
Harvard
Indian Standard Institution ., . (1979). Specification for pre-stressed concrete poles for cross head power ,traction and telecommunication lines ,IS:1678-1978. New Delhi: Indian Standards Institution.
MLA
Indian Standard Institution, . Specification for pre-stressed concrete poles for cross head power ,traction and telecommunication lines ,IS:1678-1978. New Delhi: Indian Standards Institution. 1979.