APA استشهاد

Indian Standards Institution. (1969). Indian Standard: Specification for High Impact Polystyrene Sheet. Indian Standards Institution.

استشهاد بنمط شيكاغو

Indian Standards Institution. Indian Standard: Specification for High Impact Polystyrene Sheet. N.Delhi: Indian Standards Institution, 1969.

MLA استشهاد

Indian Standards Institution. Indian Standard: Specification for High Impact Polystyrene Sheet. Indian Standards Institution, 1969.