APA ציטוט

International Federation for Documentation. (1961). Universal decimal classification (3rd ed.). British Standards House.

Chicago Style (17th ed.) Citation

International Federation for Documentation. Universal Decimal Classification. 3rd ed. London: British Standards House, 1961.

ציטוט MLA

International Federation for Documentation. Universal Decimal Classification. 3rd ed. British Standards House, 1961.

אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.