International Federation for Documentation\nInternational Federation for Information and Documentation\nUDC Consortium. (2022). Extensions and Corrections to the UDC. International Federation for Documentation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Federation for Documentation\nInternational Federation for Information and Documentation\nUDC Consortium. Extensions and Corrections to the UDC. The Hague, Holanda: International Federation for Documentation, 2022.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিInternational Federation for Documentation\nInternational Federation for Information and Documentation\nUDC Consortium. Extensions and Corrections to the UDC. International Federation for Documentation, 2022.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.