APA (7 ম সংস্করণ) উদ্ধৃতি

British Standards Institution. (1981). Universal decimal classification (2nd English full ed.). British Standards Institution.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

British Standards Institution. Universal Decimal Classification. 2nd English full ed. London: British Standards Institution, 1981.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

British Standards Institution. Universal Decimal Classification. 2nd English full ed. British Standards Institution, 1981.