APA

Federation Internationale de Documentation, . (1965). Universal decimal classification : special edition for education. The Hague: International Federation for Documentation.

Chicago

Federation Internationale de Documentation, . 1965. Universal decimal classification : special edition for education. The Hague: International Federation for Documentation.

Harvard

Federation Internationale de Documentation, . (1965). Universal decimal classification : special edition for education. The Hague: International Federation for Documentation.

MLA

Federation Internationale de Documentation, . Universal decimal classification : special edition for education. The Hague: International Federation for Documentation. 1965.