Cita APA

Larry Long. (1961). Universal Decimal Classification English Abridged edition 1961 (Photocopy) (3.). British standards Institution.

Chicago Edition Citation

Larry Long. Universal Decimal Classification English Abridged Edition 1961 (Photocopy). 3. London: British standards Institution, 1961.

Cita MLA

Larry Long. Universal Decimal Classification English Abridged Edition 1961 (Photocopy). 3. British standards Institution, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.