Indian standards institution . ISI. (1988). Method of measurement of building and civil engineering works. Part-9 roof covering,IS: 1200-1973. Indian Standards Institution.
Chicago Edition CitationIndian standards institution . ISI. Method of Measurement of Building and Civil Engineering Works. Part-9 Roof Covering,IS: 1200-1973. New Delhi: Indian Standards Institution, 1988.
MLA Edition CitationIndian standards institution . ISI. Method of Measurement of Building and Civil Engineering Works. Part-9 Roof Covering,IS: 1200-1973. Indian Standards Institution, 1988.