APA
Indian standards institution, . (1988). Method of measurement of building and civil engineering works. Part-9 roof covering,IS:1200-1973. New Delhi: Indian Standards Institution.
Chicago
Indian standards institution, . 1988. Method of measurement of building and civil engineering works. Part-9 roof covering,IS:1200-1973. New Delhi: Indian Standards Institution.
Harvard
Indian standards institution, . (1988). Method of measurement of building and civil engineering works. Part-9 roof covering,IS:1200-1973. New Delhi: Indian Standards Institution.
MLA
Indian standards institution, . Method of measurement of building and civil engineering works. Part-9 roof covering,IS:1200-1973. New Delhi: Indian Standards Institution. 1988.
