Indian Standards Institution. (1969). Indian Standard: Specification for High Impact Polystyrene Sheet. Indian Standards Institution.
Chicago ZitierstilIndian Standards Institution. Indian Standard: Specification for High Impact Polystyrene Sheet. N.Delhi: Indian Standards Institution, 1969.
MLA ZitierstilIndian Standards Institution. Indian Standard: Specification for High Impact Polystyrene Sheet. Indian Standards Institution, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.