Indian Standards Institution. (1970). Indian Standard: Specification for Rubber Closures, Pharmaceutical. Indian Standards Institution.
Dyfyniad Arddull ChicagoIndian Standards Institution. Indian Standard: Specification for Rubber Closures, Pharmaceutical. N.Delhi: Indian Standards Institution, 1970.
Dyfyniad MLAIndian Standards Institution. Indian Standard: Specification for Rubber Closures, Pharmaceutical. Indian Standards Institution, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.