Indian Standards Institution . ISI. (1977). Specification for vibrating rollers IS: 5500-1977. Indian Standards Institution.
استشهاد بنمط شيكاغوIndian Standards Institution . ISI. Specification for Vibrating Rollers IS: 5500-1977. New Delhi: Indian Standards Institution, 1977.
MLA استشهادIndian Standards Institution . ISI. Specification for Vibrating Rollers IS: 5500-1977. Indian Standards Institution, 1977.