APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.