Indian Standards Institution. (1966). Indian Standard: Specification for Polystyrene Wall Tiles. Indian Standards Institution.
Chicago Stili AlıntıIndian Standards Institution. Indian Standard: Specification for Polystyrene Wall Tiles. N.Delhi: Indian Standards Institution, 1966.
MLA AlıntıIndian Standards Institution. Indian Standard: Specification for Polystyrene Wall Tiles. Indian Standards Institution, 1966.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..