APA
Indian standards institution, . (1981). Specification for unreinforced corrugated and semi corrugated asbestos cement sheets ,IS:459-1970. : ISI.
Chicago
Indian standards institution, . 1981. Specification for unreinforced corrugated and semi corrugated asbestos cement sheets ,IS:459-1970. : ISI.
Harvard
Indian standards institution, . (1981). Specification for unreinforced corrugated and semi corrugated asbestos cement sheets ,IS:459-1970. : ISI.
MLA
Indian standards institution, . Specification for unreinforced corrugated and semi corrugated asbestos cement sheets ,IS:459-1970. : ISI. 1981.